.gitignore

@@ -1,6 +1,5 @@
 # Build files
 /build-fx
-/build-fxg3a
 /build-cg
 /build-cg-push
 /*.g1a

CMakeLists.txt

@@ -4,7 +4,6 @@
 cmake_minimum_required(VERSION 3.15)
 project(Copy3DEngine LANGUAGES C ASM)
 
-include(GenerateG1A)
 include(GenerateG3A)
 include(Fxconv)
 find_package(Gint 2.9 REQUIRED)
@@ -17,31 +16,26 @@ set(AUTHOR "Fcalva")
 
 set(SOURCES
   src/main.c
-  eng/moteur.c
-  eng/map.c
-  eng/sprites.c
+  src/moteur.c
+  src/map.c
+#  src/opti.S
 )
 
 set(ASSETS
-  assets-fx/sprite.png
-  assets-fx/textures/briques0.png
-  assets-fx/textures/buisson1.png
+  assets-cg/textures/briques0.png
+  assets-cg/textures/buisson1.png
 )
 
 fxconv_declare_assets(${ASSETS} WITH_METADATA)
 
 add_executable(Copy3DEngine ${SOURCES} ${ASSETS})
 target_compile_options(Copy3DEngine PRIVATE -Wall -Wextra -Ofast)
-target_include_directories(Copy3DEngine PRIVATE "include/C3D/")
 target_compile_definitions(Copy3DEngine PRIVATE NAMEOFGAME="${NAMEOFGAME}" AUTHOR="${AUTHOR}")
 target_link_libraries(Copy3DEngine Gint::Gint)
 target_link_libraries(Copy3DEngine LibProf::LibProf)
 target_link_options(Copy3DEngine PRIVATE -Wl,--print-memory-usage)
 
-if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
-  generate_g1a(TARGET Copy3DEngine OUTPUT ${NAMEOFGAME}".g1a"
-    NAME ${NAMEOFGAME} ICON assets-fx/icon.png)
-else()
-  generate_g3a(TARGET Copy3DEngine OUTPUT ${NAMEOFGAME}".g3a"
-    NAME ${NAMEOFGAME} ICONS assets-fx/icon.png assets-fx/icon.png)
+if("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
+  generate_g3a(TARGET Copy3DEngine OUTPUT "${NAMEOFGAME}.g3a"
+    NAME "${NAMEOFGAME}" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
 endif()

Examples/AmogusGame/CMakeLists.txt

@@ -0,0 +1,44 @@
+# Configure with [fxsdk build-fx] or [fxsdk build-cg], which provide the
+# toolchain file and module path of the fxSDK
+
+cmake_minimum_required(VERSION 3.15)
+project(Copy3DEngine)
+
+include(GenerateG3A)
+include(Fxconv)
+find_package(Gint 2.9 REQUIRED)
+find_package(LibProf 2.1 REQUIRED)
+
+# le nom de votre jeu
+set(NAMEOFGAME "Amogus")
+# Nom de l'auteur -> votre nom/pseudo
+set(AUTHOR "Fcalva")
+
+set(SOURCES
+  src/main.c
+  src/moteur.c
+  src/map.c
+)
+
+set(ASSETS
+  assets-cg/textures/0.png
+  assets-cg/textures/1.png
+  assets-cg/textures/2.png
+  assets-cg/textures/3.png
+  assets-cg/textures/4.png
+  assets-cg/textures/rick.png
+)
+
+fxconv_declare_assets(${ASSETS} WITH_METADATA)
+
+add_executable(Copy3DEngine ${SOURCES} ${ASSETS})
+target_compile_options(Copy3DEngine PRIVATE -Wall -Wextra -Ofast -fira-region=all -flto -fno-math-errno -funsafe-math-optimizations -fassociative-math -freciprocal-math)
+target_compile_definitions(Copy3DEngine PRIVATE NAMEOFGAME="${NAMEOFGAME}" AUTHOR="${AUTHOR}")
+target_link_libraries(Copy3DEngine Gint::Gint)
+target_link_libraries(Copy3DEngine LibProf::LibProf)
+target_link_options(Copy3DEngine PRIVATE -Wl,--print-memory-usage,-flto)
+
+if("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
+  generate_g3a(TARGET Copy3DEngine OUTPUT "${NAMEOFGAME}.g3a"
+    NAME "${NAMEOFGAME}" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
+endif()

Examples/AmogusGame/README.md

@@ -0,0 +1,5 @@
+# Amogus
+
+### Mogus
+
+Sus

Examples/AmogusGame/assets-cg/fxconv-metadata.txt

@@ -0,0 +1,6 @@
+zombard1.png:
+  type: bopti-image
+  name: zombard
+skybox0.png:
+  type: bopti-image
+  name: skybox_quarter

Examples/AmogusGame/assets-cg/textures/fxconv-metadata.txt

@@ -0,0 +1,19 @@
+0.png:
+  type: bopti-image
+  name: frame0
+1.png:
+  type: bopti-image
+  name: frame1
+2.png:
+  type: bopti-image
+  name: frame2
+3.png:
+  type: bopti-image
+  name: frame3
+4.png:
+  type: bopti-image
+  name: frame4
+
+rick.png:
+  type: bopti-image
+  name: rick

Examples/AmogusGame/src/fixed.h

@@ -0,0 +1,87 @@
+//---
+// fixed: 16:16 fixed-point arithmetic
+//---
+//vient de https://gitea.planet-casio.com/Slyvtt/OutRun/src/branch/master/src
+//
+#pragma once
+#include <stdint.h>
+
+typedef int32_t fixed_t;
+/* Standard arithmetic. */
+
+static inline fixed_t fmul(fixed_t left, fixed_t right)
+{
+    /* Generally optimized by the compiler to use dmuls.l and xtrct */
+    int64_t p = (int64_t)left * (int64_t)right;
+    return (int32_t)(p >> 16);
+}
+
+static inline fixed_t fdiv(fixed_t left, fixed_t right)
+{
+    /* Pretty slow */
+    int64_t d = (int64_t)left << 16;
+    return d / right;
+}
+
+#define fix(x) ((int)((x) * 65536))
+
+static inline fixed_t fixdouble(double constant)
+{
+    return (fixed_t)(constant * 65536);
+}
+
+static inline fixed_t fixfloat(float constant)
+{
+    return (fixed_t)(constant * 65536);
+}
+
+static inline fixed_t fdec(fixed_t f)
+{
+    return f & 0xffff;
+}
+
+static inline int ffloor(fixed_t f)
+{
+    return f >> 16;
+}
+
+static inline int fceil(fixed_t f)
+{
+    return (f + 0xffff) >> 16;
+}
+
+static inline int fround(fixed_t f)
+{
+    return (f + 0x8000) >> 16;
+}
+
+static inline float f2float(fixed_t f)
+{
+    return (float)f / 65536;
+}
+
+static inline double f2double(fixed_t f)
+{
+    return (double)f / 65536;
+}
+
+static inline double f2int(fixed_t f)
+{
+    return (int)f / 65536;
+}
+
+static inline fixed_t feasein(fixed_t x)
+{
+    return fmul(x, x);
+}
+
+static inline fixed_t fease(fixed_t x)
+{
+    if(x <= fix(0.5)) {
+        return 2 * fmul(x, x);
+    }
+    else {
+        x = fix(1) - x;
+        return fix(1) - 2 * fmul(x, x);
+    }
+}

Examples/AmogusGame/src/main.c

@@ -0,0 +1,166 @@
+#include <stdlib.h>
+#include <math.h>
+
+#include <gint/display.h>
+#include <gint/keyboard.h>
+#include <gint/image.h>
+#include <libprof.h>
+
+#include "fixed.h"
+
+#include "moteur.h"
+#include "map.h"
+
+//====== Copy3DEngine =====
+// Git du moteur : https://gitea.planet-casio.com/Fcalva/Copy3DEngine
+// Git du jeu : [Rajoutez le vôtre ici]
+//
+// Page du jeu : [La vôtre ici]
+//
+// Voir README.md pour license précise, par Fcalva et est sous GPLv3
+// 
+//
+
+#ifndef FXCG50
+#error Ce code est pour FXCG50/G90+E uniquement, enlevez ce message a vos riques et périls
+#endif
+
+//#define debug //pour afficher les infos de debug
+
+image_t *tex_index[TINDEX_S];
+
+extern char map_test[map_w][map_h];
+
+//Vos images ici
+
+extern image_t frame0;
+extern image_t frame1;
+extern image_t frame2;
+extern image_t frame3;
+extern image_t frame4;
+
+extern image_t rick;
+
+char exit_game = 0;
+char disp_frame_time = 0;
+char first_frame = 0;
+int frame_time_timer = 1;
+
+fixed_t posX;
+fixed_t posY;
+fixed_t dirX;
+fixed_t dirY;
+fixed_t planeX;
+fixed_t planeY;
+
+int frame_time = 1;
+
+void keys_get(){
+  pollevent();
+
+  move();
+
+  if (keydown(KEY_F1) && frame_time_timer <= 0) {
+    if (disp_frame_time == 0) {
+      disp_frame_time = 1;
+      frame_time_timer = 10;
+    }
+    else {
+      disp_frame_time = 0;
+      frame_time_timer = 10;
+    }
+  }
+  frame_time_timer--;
+  if (keydown(KEY_EXIT)) exit_game = 1;
+
+  #ifdef debug
+  if (keydown(KEY_TAN)) end_screen();
+  #endif
+}
+
+void main_menu(){
+  //dtext_opt(198, 100, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, NAMEOFGAME, -1);
+  //dtext_opt(198, 120, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, "De " AUTHOR, -1);
+  dtext_opt(198, 150, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, "Appuyez sur une touche", -1);
+
+  dupdate();
+  getkey();
+}
+
+int main(){
+  dclear(C_WHITE);
+
+  //trucs de chargement
+
+  load_map();
+
+  image_t *frame_buffer = image_create_vram();
+
+  extern image_t *tex_index[TINDEX_S];
+
+  tex_index[1] = &frame0;
+  tex_index[2] = &rick;
+
+  //Vos textures générées procéduralement
+
+  tex_index[0] = image_alloc(64, 64, IMAGE_RGB565);
+  tex_index[3] = image_alloc(64, 64, IMAGE_RGB565);
+
+  image_fill(tex_index[0], 0x4228);
+  image_fill(tex_index[3], 0x9dbd);
+
+  prof_init();
+
+  int anim_timer = 0;
+
+  while (!exit_game) {
+    prof_t frame = prof_make();
+    prof_enter(frame);
+
+    drect(0, 0, 395, 112, 0x9dbd);
+    drect(0,112, 395, 243, 0x4228);
+
+    switch((anim_timer/62)%5){
+      case 0: tex_index[1] = &frame0; break;
+      case 1: tex_index[1] = &frame1; break;
+      case 2: tex_index[1] = &frame2; break;
+      case 3: tex_index[1] = &frame3; break;
+      case 4: tex_index[1] = &frame4; break;
+    }
+
+    draw_walls(frame_buffer);
+
+    if(first_frame == 1){
+      main_menu();
+    }
+
+    keys_get();
+
+    if (disp_frame_time == 1) dprint( 1, 10, C_BLACK, "Frame time : %d ms", frame_time);
+
+    #ifdef debug
+    dprint( 1, 20, C_BLACK, "planeX : %d", planeX);
+    dprint( 1, 30, C_BLACK, "planeY : %d", planeY);
+    dprint( 1, 40, C_BLACK, "dirX : %d", dirX);
+    dprint( 1, 50, C_BLACK, "dirY : %d", dirY);
+    dprint( 1, 60, C_BLACK, "posX : %d", posX);
+    dprint( 1, 70, C_BLACK, "posY : %d", posY);
+    #endif
+
+    dupdate();
+    prof_leave(frame);
+    frame_time = (int)prof_time(frame)/1000;
+    first_frame = 0;
+
+    anim_timer += frame_time;
+  }
+
+  prof_quit();
+
+  //Libérez vos textures générées procéduralement
+
+  image_free(tex_index[0]);
+  image_free(tex_index[3]);
+
+  return 1;
+}

Examples/AmogusGame/src/map.c

@@ -0,0 +1,71 @@
+// Voir README.md pour license précise, par Fcalva 1011-1011 et est sous GPLv1
+
+#include "map.h"
+#include "moteur.h"
+
+char map_test[map_w][map_h] = {
+  {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1},
+  {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,0,1,1,1,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,0,1,1,1,0,1,1,1,0,1,0,1,1,1,0,1,1,1,0,1,0,0,1,0,1,0,1,0,1,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,1,1,0,0,0,0,0,1,1,1,1,1,0,1,0,0,1,0,1,1,1,0,1,0,1,1,0,1,0,1,0,0,0,1,1,1,0,0,0,0,0,1,0,1,1,0,1,0,1,0,0,1,0,0,0,0,1,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,0,0,1,0,1,0,0,0,0,0,0,0,1,1,0,1,0,0,0,0,0,1,0,0,0,1,1,0,1,1,0,0,0,0,1,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,1,0,1,1,1,0,0,1,0,1,0,1,1,0,1,0,0,0,1,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,1,0,0,0,0,0,0,0,1,1,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,1,0,1,0,1,0,0,0,0,0,0,0,0,1,0,1,0,0,1,0,1,0,0,1,1,0,0,1,0,1,0,0,0,1,0,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,1,1,0,0,0,2,0,0,0,1,1,0,1,0,0,0,0,0,0,1,0,1,0,1,0,1,0,0,0,0,1,0,0,0,0,1,0,1,0,0,1,0,0,0,0,1,1,0,0,0,1,0,0,0,1,1,1,1,0,1,1,1,0,1,0,0,0,1,1,0,1,1,1,0,0,1,1,1,0,0,0,0,0,1,0,0,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,1,0,0,0,2,0,0,0,0,0,1,0,0,1,1,1,1,1,1,0,0,0,1,1,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,1,1,0,0,1,0,0,0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,1,0,0,2,0,2,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,1,0,0,1,0,1,1,0,1,1,1,0,1,0,0,1,0,1,0,1,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,1,1,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,1,0,0,0,0,0,0,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,1,0,1,0,0,0,0,0,1,1,1,1,0,1,0,0,0,1,1,1,0,1,1,1,1,1,0,1,0,1,0,1,1,1,1,0,0,1,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,1,1,0,1,1,0,0,0,1,0,1,1,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,1,1,1,1,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,0,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,1,0,1,0,0,0,1,0,1,0,0,1,0,0,0,0,1,0,1,0,0,0,0,0,1,0,1,0,0,1,0,0,0,0,0,0,1,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,1,0,1,0,0,0,0,1,0,1,0,0,1,0,1,0,0,1,0,0,0,0,1,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,1,0,0,0,1,0,0,0,1,1,1,0,1,0,1,0,0,0,1,0,1,0,1,0,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,1,1,0,1,0,0,1,0,0,1,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,0,0,1,0,1,0,0,1,1,0,1,0,0,0,0,0,0,0,1,0,0,0,1,0,1,1,1,1,1,1,1,0,1,1,0,1,0,0,1,0,1,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
+  {1,0,1,0,1,0,1,0,0,0,1,0,0,1,0,0,1,1,0,0,1,0,1,0,1,0,0,0,1,0,1,0,1,1,1,1,1,0,1,1,1,0,0,0,1,0,0,0,0,0,1,0,1,1,0,1,0,1,0,1,0,1,1,1,0,1,1,0,0,0,1,1,1,1,0,1,0,0,0,1,0,0,1,0,1,0,1,0,1,0,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1},
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+  {1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,0,1,1,1,1,0,1,0,1,0,0,0,1,1,1,1,0,1,0,1,0,0,0,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,1},
+  {1,0,1,1,0,1,1,1,1,0,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,1,1,1,0,1,0,0,0,0,0,0,0,1,1,1,0,1,0,0,0,0,1,1,1,1,0,1},
+  {1,1,1,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,0,0,1,0,1,0,1,1,0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,1},
+  {1,1,1,0,0,0,0,1,1,0,1,0,0,0,1,0,0,0,0,1,0,1,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,1,0,0,1,0,1,0,1,1,0,0,0,1,0,1,0,1,0,1,1,0,0,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,0,0,1,0,1,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,1,1},
+  {1,0,0,0,0,1,0,1,0,1,0,1,0,1,0,0,1,0,0,1,0,0,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,0,0,0,0,1,0,1,0,0,0,0,1,0,1,0,1,0,1,0,0,0,0,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,0,1,0,0,0,1,1,0,1,1,1,0,0,0,0,0,1,1,0,1,0,0,1,1,1,1,0,0,0,0,1,0,0,1},
+  {1,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,1,0,0,0,1},
+  {1,0,0,1,0,0,1,1,1,0,0,0,1,0,1,0,0,0,1,0,0,1,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,0,1,0,1,0,1,1,1,0,0,1,0,1,0,1,0,1,1,1,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,1,1,0,1,0,1,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,1,1,0,0,1,0,0,0,1,0,1},
+  {1,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,0,0,1,0,1,0,1,0,1,0,1,0,1,0,0,1,0,1,0,1,0,1,0,1,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,0,0,1,0,1,0,0,0,0,1,1,0,0,1,0,1,0,1,1,0,0,1,0,0,0,0,1,1,0,1,0,1,0,0,0,1},
+  {1,0,1,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,1,0,0,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,0,1,0,1,1,1,0,0,0,1,0,0,1,0,1,1,1,0,0,0,1,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,1,1,0,0,0,0,0,0,0,0,1,0,1,0,1,1,0,0,0,1,0,0,0,0,0,0,1,0,1,0,1},
+  {1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,1,0,0,0,0,1,0,0,0,0,0,0,0,1,1,0,1,0,1,1,1,1,0,1,0,1},
+  {1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,0,1,0,1,0,1,0,1,0,1,0,0,0,1,0,0,1,0,1,0,1,0,0,0,1,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,1,1,0,0,0,0,0,1,0,1},
+  {1,0,0,1,0,0,1,0,0,1,1,1,1,0,1,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,1,1,1,0,1,1,1,1,0,1,0,1,1,1,0,1,1,1,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,0,0,0,0,1,0,1,0,0,1,0,1,1,1,1,1,1,1,0,0,0,0,1,1,1,0,0,0,1,0,1,1,1,1,1,1},
+  {1,0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,1,0,1,0,1,1,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,0,0,1,0,1,0,1,0,1,0,0,0,0,0,1,1,0,1,0,1,0,0,0,0,0,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,0,0,0,0,1,0,0,1,0,1,1,1,1,1,1,1,0,0,1,1,1,0,1,0,1,0,1,0,0,1,0,0,0,1},
+  {1,0,0,1,0,0,0,0,1,0,1,1,0,1,1,1,0,1,0,1,1,1,0,1,1,0,1,1,0,1,1,0,0,0,1,0,0,0,1,1,0,0,1,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,0,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,1,1,0,1,1,1,1,1,1,1,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,1},
+  {1,1,0,0,1,0,0,0,1,0,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,0,0,0,1,0,0,1,0,1,1,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,0,1,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,1,0,1,0,1,0,0,0,1,0,1,1,0,1},
+  {1,0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,1,0,0,1,0,1,0,1,1,0,1,1,0,1,1,0,1,0,0,0,1,1,0,1,0,1,0,1,1,0,1,0,0,1,0,1,0,1,1,1,0,1,0,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,0,0,0,0,0,1,0,0,1,1,0,1,1,1,1,1,1,1,0,0,0,1,1,1,0,1,0,0,1,0,0,0,1,0,0,1},
+  {1,0,0,0,0,0,1,0,0,0,1,1,0,0,0,1,0,0,1,1,0,1,0,1,1,0,1,1,0,1,1,0,1,1,1,1,0,0,0,0,1,1,0,0,1,0,1,1,0,0,0,1,1,1,0,1,0,1,1,0,0,0,1,1,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,1,0,1,0,0,1,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,1},
+  {1,0,0,1,1,0,0,0,1,0,1,0,0,1,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,0,0,0,0,0,1,1,0,0,0,1,0,0,0,0,0,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,1,0,1,1,1,0,0,1,0,0,0,0,0,1,1},
+  {1,0,0,0,1,0,1,0,1,0,1,0,1,1,0,0,0,0,0,1,0,1,0,1,1,0,1,1,0,1,1,0,1,0,1,1,1,0,0,0,1,0,0,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,0,0,0,0,0,0,1,1,0,0,0,0,1,0,1,1,1,0,0,0,1,0,0,0,1,1,1,0,1,0,1,1},
+  {1,0,1,0,0,0,0,0,1,0,1,0,1,0,0,1,1,1,0,0,0,0,0,1,1,0,1,1,0,1,1,0,1,0,0,1,0,0,0,1,1,1,1,0,1,0,1,0,0,0,1,0,0,1,0,1,0,1,0,0,0,1,0,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,0,0,1,0,0,1,0,0,0,0,0,1,1,0,1,1,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,1,0,0,1},
+  {1,0,1,1,0,1,0,1,1,0,1,0,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,1,1,0,1,0,1,0,1,0,0,0,0,1,0,1,0,1,0,0,1,0,0,0,1,0,1,0,1,0,0,1,0,0,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,0,0,1,1,1,0,0,0,1,0,1,0,0,0,1,1,0,0,1,1,0,1,0,0,0,1,1,0,1,1,0,1},
+  {1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,1,0,0,0,0,1,0,0,1,0,0,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,1,0,0,1},
+  {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
+};

Examples/AmogusGame/src/map.h

@@ -1,16 +1,12 @@
 // Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
 
 #include "fixed.h"
-#ifndef map__h
-#define map__h
-
-typedef struct {
-
-} RcMap;
+#ifndef map_test_M
+#define map_test_M
 
 //! Attention à avoir *exactement* la même taille entre ces valeurs et la carte dans map.c !
 
 #define map_w 64
 #define map_h 128
 
-#endif /* map__h */
+#endif /* map_test.h */

Examples/AmogusGame/src/moteur.c

@@ -0,0 +1,325 @@
+// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <gint/display.h>
+#include <gint/keyboard.h>
+#include <libprof.h>
+
+#include "fixed.h"
+
+#include "moteur.h"
+#include "map.h"
+
+// moteur.c :
+// ici se trouvent tout ce qui concerne les graphismes, mouvement et collisions
+//
+//
+
+void move() {
+  extern int frame_time;
+  fixed_t moveSpeed = fmul(fix(frame_time), 0x148); //frame_time * fix(carrés/seconde/1000) là carrés/seconde = 5
+  fixed_t rotSpeed = fmul(fix(frame_time), 0x83); //frame_time * fix(radians/seconde/1000) là radians/seconde = 2
+  fixed_t c_rotSpeed = fix(cos(f2float(rotSpeed)));
+  fixed_t s_rotSpeed = fix(sin(f2float(rotSpeed)));
+
+  extern char map_test[map_w][map_h];
+  extern fixed_t planeX;
+  extern fixed_t planeY;
+  extern fixed_t dirX;
+  extern fixed_t dirY;
+  extern fixed_t posX;
+  extern fixed_t posY;
+
+  fixed_t oldDirX;
+  fixed_t oldPlaneX;
+  int xtemp1;
+  int ytemp1;
+  int xtemp2;
+  int ytemp2;
+
+  if (keydown(KEY_UP)) {
+    xtemp1 = f2int(posX + fmul(dirX, moveSpeed));
+    ytemp1 = f2int(posY);
+    xtemp2 = f2int(posX);
+    ytemp2 = f2int(posY + fmul(dirY, moveSpeed));
+
+    if(map_test[xtemp1][ytemp1] == 0) posX += fmul(dirX, moveSpeed);
+    if(map_test[xtemp2][ytemp2] == 0) posY += fmul(dirY, moveSpeed);
+  }
+  //move backwards if no wall behind you
+  if (keydown(KEY_DOWN)) {
+    xtemp1 = f2int(posX - fmul(dirX, moveSpeed));
+    ytemp1 = f2int(posY);
+    xtemp2 = f2int(posX);
+    ytemp2 = f2int(posY - fmul(dirY, moveSpeed));
+
+    if(map_test[xtemp1][ytemp1] == 0) posX -= fmul(dirX, moveSpeed);
+    if(map_test[xtemp2][ytemp2] == 0) posY -= fmul(dirY, moveSpeed);
+  }
+  //rotate to the rightdouble sin_rotspeed;
+  if (keydown(KEY_RIGHT)) {
+    //both camera direction and camera plane must be rotated
+    oldDirX = dirX;
+    dirX = (fmul(dirX, c_rotSpeed)+1) - (fmul(dirY, -s_rotSpeed)+1); 
+     dirY = (fmul(oldDirX, -s_rotSpeed)+1) + (fmul(dirY, c_rotSpeed)+1);
+     oldPlaneX = planeX;
+     planeX = (fmul(planeX, c_rotSpeed)+1) - (fmul(planeY, -s_rotSpeed)+1);
+    planeY = (fmul(oldPlaneX, -s_rotSpeed)+1) + (fmul(planeY, c_rotSpeed)+1);
+  }
+  //rotate to the left
+  if (keydown(KEY_LEFT)) {
+    //both camera direction and camera plane must be rotated
+    oldDirX = dirX;
+    dirX = (fmul(dirX, c_rotSpeed)-1) - (fmul(dirY, s_rotSpeed)-1);
+    dirY = (fmul(oldDirX, s_rotSpeed)+1) + (fmul(dirY, c_rotSpeed)+1);
+    oldPlaneX = planeX;
+    planeX = (fmul(planeX, c_rotSpeed)-1) - (fmul(planeY, s_rotSpeed) - 1);
+    planeY = (fmul(oldPlaneX, s_rotSpeed)+1) + (fmul(planeY, c_rotSpeed) + 1);
+  }
+
+  if (dirX > 0xFFFF) dirX = 0xFFFF;
+  if (dirY > 0xFFFF) dirY = 0xFFFF;
+  if (dirX < -0xFFFF) dirX = -0xFFFF;
+  if (dirY < -0xFFFF) dirY = -0xFFFF;
+}
+
+void spawn_gen(){
+  extern fixed_t posX;
+  extern fixed_t posY;
+  extern fixed_t dirX;
+  extern fixed_t dirY;
+  extern fixed_t planeX;
+  extern fixed_t planeY;
+  extern char map_test[map_w][map_h];
+  
+  int seed, seed_x, seed_y;
+  int SeedSeed;
+
+  time_t timeN; 
+  time(&timeN);
+  SeedSeed = timeN;
+
+  srand(SeedSeed);
+
+  while(1){
+    seed = rand() * 0.5 + rand() * 0.5;
+    seed_x = seed & 0b1111111;
+    seed_y = (seed >> 8) & 0b111111;
+    if (seed_x < map_w && seed_y < map_h && (seed_x < 111 && seed_y > 15)){
+      if(map_test[seed_x][seed_y] == 0){
+        break;
+      }
+    }
+  }
+  fixed_t start_dirX, start_dirY;
+
+  int dirSeed = (seed >> 9) & 0b11 ;
+  switch(dirSeed){
+    case 0: {
+      start_dirX = 0x0;
+      start_dirY = 0xFFFF;
+      planeX = fix(0.66);
+      planeY = 0;
+      break;
+    }
+    case 1: {
+      start_dirX = 0xFFFF;
+      start_dirY = 0x0;
+      planeX = 0;
+      planeY = fix(-0.66);
+      break;
+    }
+    case 2: {
+      start_dirX = -0xFFFF;
+      start_dirY = 0x0;
+      planeX = 0;
+      planeY = fix(0.66);
+      break;
+    }
+    case 3: {
+      start_dirX = 0x0;
+      start_dirY = -0xFFFF;
+      planeX = fix(-0.66);
+      planeY = 0;
+      break;
+    }
+    default : {
+      start_dirX = 0xFFFF;
+      start_dirY = 0x0;
+      planeX = 0;
+      planeY = fix(-0.66);
+      break;
+    }
+  }
+
+  posX = fix(seed_x) + 0x7FFF;
+  posY = fix(seed_y) + 0x7FFF;  //x and y start position
+  dirX = start_dirX;
+  dirY = start_dirY; //initial direction vector
+}
+
+void load_map(){
+  spawn_gen();
+}
+
+void draw_walls(image_t *frame_buffer){
+    extern fixed_t posX;
+    extern fixed_t posY;
+    extern fixed_t dirX;
+    extern fixed_t dirY;
+    extern fixed_t planeX;
+    extern fixed_t planeY;
+    extern image_t *tex_index[TINDEX_S];
+    extern char map_test[map_w][map_h];
+
+    fixed_t cameraX;
+    fixed_t rayDirX;
+    fixed_t rayDirY;
+    fixed_t sideDistX;//length of ray from current position to next x or y-side
+    fixed_t sideDistY;
+    fixed_t deltaDistX;
+    fixed_t deltaDistY;
+    fixed_t perpWallDist;
+    fixed_t texSize;
+    int x;
+    int mapX;
+    int mapY;
+    int stepX; //what direction to step in x or y-direction (either +1 or -1)
+    int stepY;
+    int side; //was a NS or a EW wall hit?
+    int lineHeight;
+    int texX;
+    int texSample;
+    int texSampleY;
+
+    int v_offset = 0; //(int)(sin(f2int(posX + posY)) * 5); //a raffiner un peu
+    fixed_t h_offset = 0; //fix(sin(f2int(posX - posY)) * 0.01);
+
+    struct image_linear_map temp;
+
+    for(x = 0; x < viewport_w; x++) {
+
+      //calculate ray position and direction
+      cameraX = fdiv(fix(x*2), fix(viewport_w)) - 0xFFFF + h_offset; //x-coordinate in camera space
+      
+      rayDirX = dirX + fmul(planeX, cameraX);
+      rayDirY = dirY + fmul(planeY, cameraX);
+      
+
+      //which box of the map we're in
+      mapX = f2int(posX);
+      mapY = f2int(posY);
+
+      // length of ray from one x or y-side to next x or y-side
+      // these are derived as:
+      // deltaDistX = sqrt(1 + (rayDirY * rayDirY) / (rayDirX * rayDirX))
+      // deltaDistY = sqrt(1 + (rayDirX * rayDirX) / (rayDirY * rayDirY))
+      // which can be simplified to abs(|rayDir| / rayDirX) and abs(|rayDir| / rayDirY)
+      // where |rayDir| is the length of the vector (rayDirX, rayDirY). Its length,
+      // unlike (dirX, dirY) is not 1, however this does not matter, only the
+      // ratio between deltaDistX and deltaDistY matters, due to the way the DDA
+      // stepping further below works. So the values can be computed as below.
+      // Division through zero is prevented, even though technically that's not
+      // needed in C++ with IEEE 754 floating point values. 
+      // Fcalva : removed the 0 div prevention
+
+      deltaDistX = abs(fdiv(0xFFFF, rayDirX));
+      deltaDistY = abs(fdiv(0xFFFF, rayDirY));
+      
+      //calculate step and initial sideDist
+      if (rayDirX < 0) {
+        stepX = -1;
+        sideDistX = fmul(posX - fix(mapX), deltaDistX);
+      }
+      else {
+        stepX = 1;
+        sideDistX = fmul( fix(mapX + 1) - posX, deltaDistX);
+      }
+
+      if (rayDirY == 0) {
+        stepY = 0;
+        sideDistY = 0;
+      }
+      else if (rayDirY < 0) {
+        stepY = -1;
+        sideDistY = fmul(posY - fix(mapY), deltaDistY);
+      }
+      else {
+        stepY = 1;
+        sideDistY = fmul( fix(mapY + 1) - posY, deltaDistY);
+      }
+      //perform DDA
+      while(true) {
+        //Check if the ray is out of range/bounds
+        if (sideDistX >= max_dist || sideDistY >= max_dist || mapX < 0 || mapY < 0 || mapX >= map_w || mapY >= map_h) {
+          break;
+        }
+        //Otherwise check if ray has hit a wall
+        else if (map_test[mapX][mapY] > 0) {
+          break;
+        }
+        //jump to next map square, either in x-direction, or in y-direction
+        if (sideDistX < sideDistY) {
+          sideDistX += deltaDistX; 
+          mapX += stepX; 
+          side = 0;
+        }
+        else {
+          sideDistY += deltaDistY;
+          mapY += stepY; 
+          side = 1;
+        }
+      }
+      //Calculate distance projected on camera direction. This is the shortest distance from the point where the wall is
+      //hit to the camera plane. Euclidean to center camera point would give fisheye effect!
+      //This can be computed as (mapX - posX + (1 - stepX) / 2) / rayDirX for side == 0, or same formula with Y
+      //for size == 1, but can be simplified to the code below thanks to how sideDist and deltaDist are computed:
+      //because they were left scaled to |rayDir|. sideDist is the entire length of the ray above after the multiple
+      //steps, but we subtract deltaDist once because one step more into the wall was taken above.
+
+      if (side == 0) perpWallDist = (sideDistX - deltaDistX);
+      else perpWallDist = (sideDistY - deltaDistY);
+
+      //texturing calculations
+      //int texNum = test_map[mapX][mapY] - 1; //a voir plus tard
+
+      //calculate value of wallX
+      fixed_t wallX; //where exactly the wall was hit
+      if (side == 0) wallX = posY + fmul(perpWallDist, rayDirY); 
+      else  wallX = posX + fmul(perpWallDist, rayDirX);     
+      wallX -= fix(floor(f2int(wallX)));
+
+      //x coordinate on the texture
+      texX = fmul(wallX, 64);
+      texX = texX % 64;
+
+      if(side == 0 && rayDirX > 0) texX = 64 - texX - 1;
+      if(side == 1 && rayDirY < 0) texX = 64 - texX - 1;
+
+      lineHeight = f2int(fdiv(fix(viewport_h), perpWallDist)); //Taille en px de la ligne
+      if (lineHeight < 1) lineHeight = 1;
+      //if (lineHeight > viewport_h) lineHeight = viewport_h - 1;
+
+      fixed_t texSize = fix(lineHeight) / 64; //taille proportionelle de la ligne a la tex
+      if (texSize < 0x400) texSize = 0x400; //0x400 = 1/64 * 2^16
+      if (texSize > 0x3D000) { //0x3D000 = 3.8125 * 2^16, 3.8125 = viewport_h/64
+        texSample = fceil(fdiv(fix(viewport_h), texSize));
+        texSampleY  = 32 - (int)texSample * 0.5;
+      }
+      else {
+        texSample = 64;
+        texSampleY = 0; 
+      }
+      
+      image_t texStripe;
+
+      texStripe = *image_sub(tex_index[map_test[mapX][mapY]], texX, texSampleY, 1, texSample);
+
+      image_scale(&texStripe, 0xFFFF, texSize, &temp);
+      image_linear(&texStripe, image_at(frame_buffer, x, (int)(viewport_h * 0.5 - lineHeight * 0.5) + v_offset), &temp);
+    }
+}

Examples/AmogusGame/src/moteur.h

@@ -0,0 +1,22 @@
+// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
+
+#ifndef moteur_h
+#define moteur_h
+
+#include <gint/image.h>
+
+//param. graphiques
+#define screen_w 396
+#define screen_h 224
+#define viewport_w 396
+#define viewport_h 224
+#define max_dist 0x1FFFFF //en tuiles << 16, actuellement 32
+
+#define TINDEX_S 256
+
+void load_map();
+void end_screen();
+void draw_walls(image_t *frame_buffer);
+void move();
+
+#endif /* moteur */

assets-cg/fxconv-metadata.txt

@@ -0,0 +1,6 @@
+zombard1.png:
+  type: bopti-image
+  name: zombard
+skybox0.png:
+  type: bopti-image
+  name: skybox_quarter

assets-fx/fxconv-metadata.txt

@@ -1,4 +0,0 @@
-sprite.png:
-  type: bopti-image
-  name: sprite_tst
-  profile: gray_alpha

eng/sprites.c

@@ -1,122 +0,0 @@
-// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
-
-#include <gint/display.h>
-#include <gint/keyboard.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "game.h"
-#include "sprites.h"
-#include "moteur.h"
-#include "config.h"
-#include "fixed.h"
-#include "utils.h"
-
-extern fixed_t zbuf[viewport_w];
-
-int spritec;
-
-Sprite *sprite_index[SINDEX_S];
-
-void add_sprite(Sprite *sprite){
-  if(spritec >= SINDEX_S)
-    return;
-  sprite_index[spritec++] = sprite;
-}
-
-void clear_sprites(){
-  spritec = 0;
-}
-
-void remove_sprite(GUNUSED Sprite *sprite){
-  //TODO
-}
-
-//Lodev's sprite projection, translated
-
-void project_sprite(bopti_image_t *tex_index[], Sprite *sprite, RcActor *player){
-
-  V2d relpos = sprite->pos;
-  relpos.x -= player->pos.x;
-  relpos.y -= player->pos.y;
-
-  fixed_t idet = fmul(player->plane.x, player->dir.y) -
-                                fmul(player->dir.x, player->plane.y);
-  idet = idet ? fdiv(fix(1), idet):0;
-
-  fixed_t tx = fmul(idet, fmul(player->dir.y, relpos.x) -
-                            fmul(player->dir.x, relpos.y));
-  fixed_t ty = fmul(idet, fmul(-player->plane.y, relpos.x) +
-                            fmul(player->plane.x, relpos.y));
-  fixed_t txtydiv = ty ? fdiv(tx, ty):0;
-  int screen_x = ffloor(fmul(fix(viewport_w/2),(fix(1) + txtydiv)));
-
-  int sprite_h = ffloor(fixabs(fdiv(fix(viewport_h),ty)));
-
-  int sprite_pos_y = -sprite_h / 2 + viewport_h / 2;
-
-  if(sprite_pos_y < 0)
-    sprite_pos_y = 0;
-
-  int sprite_pos_x = -sprite_h / 2 + screen_x;
-  if(sprite_pos_x < 0)
-    sprite_pos_x = 0;
-  int sprite_end_x = sprite_h / 2 + screen_x;
-  if(sprite_end_x > viewport_w)
-    sprite_end_x = viewport_w;
-
-  int sprite_w = sprite_h;
-
-  if(sprite_pos_x + sprite_h > viewport_w)
-    sprite_h = viewport_w - sprite_pos_x;
-  if(sprite_pos_y + sprite_w > viewport_h)
-    sprite_w = viewport_h - sprite_pos_y;
-  if(sprite_pos_x + sprite_h < 0 || sprite_pos_x > viewport_w)
-    return;
-
-  fixed_t sprite_size = fdiv(fix(sprite_w), fix(TSIZE));
-
-  for(int x = sprite_pos_x; x < sprite_end_x; x++){
-    if(ty < 0 || x < 0 || ty > zbuf[x])
-      continue;
-    if(x > viewport_w)
-      break;
-    int tex_x = ffloor((x-sprite_pos_x) * fdiv(fix(TSIZE), fix(sprite_w)));
-    tex_x %= TSIZE;
-
-    draw_stripe(tex_index[4], 0, sprite_pos_y, sprite_size, tex_x, x);
-  }
-}
-
-struct SpriteDist{
-  fixed_t dist;
-  int id;
-};
-
-int sprite_cmpfnc(const void *p1, const void *p2){
-  return ((struct SpriteDist*)p2)->dist - ((struct SpriteDist*)p1)->dist;
-}
-
-void draw_sprites(bopti_image_t *tex_index[], RcActor *player){
-  struct SpriteDist dists[SINDEX_S];
-  memset(dists, 0, sizeof(struct SpriteDist)*SINDEX_S);
-  for(int i = 0; i < spritec; i++){
-    Sprite *spr = sprite_index[i];
-    fixed_t d = player->pos.x - spr->pos.x;
-    d = fmul(d,d);
-    d += fmul(player->pos.y - spr->pos.y,player->pos.y - spr->pos.y);
-    dists[i].dist = d;
-    dists[i].id = i;
-  }
-
-  qsort(dists, SINDEX_S, sizeof(struct SpriteDist), &sprite_cmpfnc);
-
-  int msprite = min(spritec,max_sprites);
-  for(int i = msprite; i > 0; i--){
-    struct SpriteDist *sd = &dists[i];
-    Sprite *spr = sprite_index[sd->id];
-    if(sd->dist > max_dist)
-      continue;
-    project_sprite(tex_index, spr, player);
-  }
-}

include/C3D/config.h

@@ -1,21 +0,0 @@
-#pragma once
-
-//param. graphiques
-#define screen_w 128
-#define screen_h 64
-#define viewport_w 128
-#define viewport_h 64
-#define max_dist fix(32)
-//Max sprites to attempt to render
-#define max_sprites 16
-
-#define TSIZE 32
-
-//Tex index
-#define TINDEX_S 16
-//Sprite index
-#define SINDEX_S 64
-
-#define debug 1 //pour afficher les infos de debug
-
-#define asm_opti 0

include/C3D/game.h

@@ -1,25 +0,0 @@
-// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
-
-#ifndef game__h
-#define game__h
-
-#include "utils.h"
-#include "map.h"
-
-typedef struct {
-
-  V2d pos;
-  V2d dir;
-  V2d plane;
-
-} RcActor;
-
-typedef struct {
-
-  RcActor player;
-
-  uint8_t *current_map;
-
-} RcGame;
-
-#endif

include/C3D/moteur.h

@@ -1,36 +0,0 @@
-// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
-
-#ifndef moteur_h
-#define moteur_h
-
-#include <libprof.h>
-#include <gint/display.h>
-#include "fixed.h"
-#include "game.h"
-#include "config.h"
-
-typedef struct {
-
-  prof_t raycast_time;
-  prof_t draw_time;
-
-} EngineTimers;
-
-int get_pixel(bopti_image_t const *tex, int u, int v);
-
-void dscale_bopti(bopti_image_t *tex, fixed_t scale_x, fixed_t scale_y,
-                    int x, int y);
-
-void draw_stripe(bopti_image_t *tex, int texSampleY, int linePos,
-                  fixed_t texSize, int texX, int x);
-
-void load_map();
-void draw_walls(
-#if debug
-  EngineTimers *timers,
-#endif
-  RcGame *game
-);
-void move(RcGame *game);
-
-#endif /* moteur */

include/C3D/sprites.h

@@ -1,25 +0,0 @@
-// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
-
-#ifndef sprites__h
-#define sprites__h
-
-#include "utils.h"
-#include "fixed.h"
-#include "game.h"
-
-#include <gint/display.h>
-
-typedef struct {
-  V2d pos;
-  int tex;
-} Sprite;
-
-//Adds the sprite reference to the internal sprite index
-// /!\ This sprite reference may be used at every call of draw_sprites
-void add_sprite(Sprite *sprite);
-
-void clear_sprites();
-
-void draw_sprites(bopti_image_t *tex_index[], RcActor *player);
-
-#endif

include/C3D/utils.h

@@ -1,10 +0,0 @@
-// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
-
-#ifndef utils__h
-#define utils__h
-
-#include <stdint.h>
-
-#define min(x, xmin) (x > xmin ? xmin:x)
-
-#endif

src/fixed.h

@@ -4,11 +4,8 @@
 //vient de https://gitea.planet-casio.com/Slyvtt/OutRun/src/branch/master/src
 //
 #pragma once
-
 #include <stdint.h>
 
-#include "config.h"
-
 typedef int32_t fixed_t;
 /* Standard arithmetic. */
 
@@ -72,6 +69,11 @@ static inline double f2double(fixed_t f)
     return (double)f / 65536;
 }
 
+static inline double f2int(fixed_t f)
+{
+    return (int)f / 65536;
+}
+
 static inline fixed_t feasein(fixed_t x)
 {
     return fmul(x, x);
@@ -88,10 +90,6 @@ static inline fixed_t fease(fixed_t x)
     }
 }
 
-static inline fixed_t fixabs(fixed_t x){
-    return x & 0x7FFFFFFF;
-}
-
 static inline fixed_t fV2d_dotp(V2d u, V2d v){
     return fmul(u.x,v.x) + fmul(u.y,v.y);
 }

src/main.c

@@ -1,26 +1,20 @@
 #include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
 #include <math.h>
 
 #include <gint/display.h>
 #include <gint/keyboard.h>
 #include <gint/image.h>
-#include <gint/gray.h>
 #include <gint/dma.h>
 #include <gint/gdb.h>
 #include <libprof.h>
 
 #include "fixed.h"
 
-#include "game.h"
 #include "moteur.h"
 #include "map.h"
-#include "config.h"
-#include "sprites.h"
 
 //====== Copy3DEngine =====
-// Git du moteur : https://git.planet-casio.com/Fcalva/Copy3DEngine
+// Git du moteur : https://gitea.planet-casio.com/Fcalva/Copy3DEngine
 // Git du jeu : [Rajoutez le vôtre ici]
 //
 // Page du jeu : [La vôtre ici]
@@ -29,36 +23,37 @@
 // 
 //
 
-bopti_image_t *tex_index[TINDEX_S];
+#ifndef FXCG50
+#error Ce code est pour FXCG50/G90+E uniquement, enlevez ce message a vos riques et périls
+#endif
 
-extern uint8_t map_test[map_w][map_h];
+image_t *tex_index[TINDEX_S];
+
+extern char map_test[map_w][map_h];
 
 //Vos images ici
 
-extern bopti_image_t briques0;
-extern bopti_image_t buisson0;
-extern bopti_image_t sprite_tst;
+extern image_t briques0;
+extern image_t buisson0;
 
 char exit_game = 0;
 char disp_frame_time = 0;
 char first_frame = 0;
 int frame_time_timer = 1;
 
-RcGame game = {
-  .player = {
-    .pos = {fix(3.1), fix(3.1)},
-    .dir = {fix(0), fix(1)},
-    .plane = {fix(0.66), fix(0)}
-  },
-  .current_map = (void*)&map_test
-};
+fixed_t posX;
+fixed_t posY;
+fixed_t dirX;
+fixed_t dirY;
+fixed_t planeX;
+fixed_t planeY;
 
 int frame_time = 1;
 
 void keys_get(){
   pollevent();
 
-  move(&game);
+  move();
 
   if (keydown(KEY_F1) && frame_time_timer <= 0) {
     if (disp_frame_time == 0) {
@@ -79,8 +74,8 @@ void keys_get(){
 }
 
 void main_menu(){
-  dtext_opt(198, 100, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, NAMEOFGAME, -1);
-  dtext_opt(198, 120, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, "De "AUTHOR, -1);
+  dtext_opt(198, 100, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, "Demo 3D", -1);
+  dtext_opt(198, 120, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, "De Fcalva", -1);
   dtext_opt(198, 150, 0xde85, C_NONE, DTEXT_CENTER, DTEXT_TOP, "Appuyez sur une touche", -1);
 
   dupdate();
@@ -94,41 +89,33 @@ int main(){
 
   load_map();
 
+  extern image_t *tex_index[TINDEX_S];
+
   tex_index[1] = &buisson0;
   tex_index[2] = &briques0;
 
-  //Vos textures générées procéduralement (TODO)
+  //Vos textures générées procéduralement
 
-  tex_index[0] = &briques0;
-  tex_index[3] = &briques0;
+  tex_index[0] = image_alloc(64, 64, IMAGE_RGB565);
+  tex_index[3] = image_alloc(64, 64, IMAGE_RGB565);
 
-  tex_index[4] = &sprite_tst;
+  image_fill(tex_index[0], 0x4228);
+  image_fill(tex_index[3], 0x9dbd);
 
   prof_init();
 
-  if(dgray(DGRAY_ON))
-    goto c3d_abort;
-  dupdate();
-
-  dclear(0);
-
   #if debug
   EngineTimers timers;
-  //gdb_start_on_exception();
   #endif
 
-  Sprite tsprite = {
-    .pos = {200000, 300000},
-    .tex = 4
-  };
-
-  add_sprite(&tsprite);
-
   while (!exit_game) {
     prof_t frame = prof_make();
     prof_enter(frame);
 
-    dclear(C_WHITE);
+    //Big brain drect()
+    dma_memset(gint_vram, 0x9dbd9dbd, viewport_w*viewport_h);
+    dma_memset((void*)((uint32_t)gint_vram + viewport_w*viewport_h),
+               0xc4c9c4c9, viewport_w*viewport_h);
 
     if(first_frame){
       main_menu();
@@ -138,20 +125,21 @@ int main(){
 
     draw_walls(
     #if debug
-      &timers,
+      &timers
     #endif
-      &game
     );
 
-    draw_sprites(tex_index, &game.player);
-
-    if (disp_frame_time == 1) dprint( 0, 0, C_BLACK, "%d ms", frame_time);
+    if (disp_frame_time == 1) dprint( 1, 10, C_BLACK, "Frame time : %d ms", frame_time);
 
     #if debug
-    dprint( 1, 27, C_BLACK, "pX %d", game.player.pos.x);
-    dprint( 1, 36, C_BLACK, "pY %d", game.player.pos.y);
-    dprint( 1, 9, C_BLACK, "Rct %d", prof_time(timers.raycast_time));
-    dprint( 1, 18, C_BLACK, "Dt %d", prof_time(timers.draw_time));
+    dprint( 1, 20, C_BLACK, "planeX : %d", planeX);
+    dprint( 1, 30, C_BLACK, "planeY : %d", planeY);
+    dprint( 1, 40, C_BLACK, "dirX : %d", dirX);
+    dprint( 1, 50, C_BLACK, "dirY : %d", dirY);
+    dprint( 1, 60, C_BLACK, "posX : %d", posX);
+    dprint( 1, 70, C_BLACK, "posY : %d", posY);
+    dprint( 1, 80, C_BLACK, "Raycast time : %d", prof_time(timers.raycast_time));
+    dprint( 1, 90, C_BLACK, "Draw time : %d", prof_time(timers.draw_time));
     timers.raycast_time = prof_make();
     timers.draw_time = prof_make();
     #endif
@@ -162,16 +150,12 @@ int main(){
     first_frame = 0;
   }
 
-c3d_abort:
-
-  dgray(DGRAY_OFF);
-
   prof_quit();
 
   //Libérez vos textures générées procéduralement
 
-  //bopti_free(tex_index[0]);
-  //bopti_free(tex_index[3]);
+  image_free(tex_index[0]);
+  image_free(tex_index[3]);
 
   return 1;
 }

src/map.c

@@ -1,11 +1,9 @@
 // Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
 
-#include <stdint.h>
-
 #include "map.h"
 #include "moteur.h"
 
-uint8_t __attribute__((section(".rodata"))) map_test[map_w][map_h] = {
+char map_test[map_w][map_h] = {
   {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3},
   {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,1,0,0,1,1,1,1,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3},
   {1,0,1,0,1,0,0,1,1,1,0,1,1,1,0,1,0,1,1,1,0,1,1,1,0,1,0,0,1,0,1,0,1,0,1,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,1,1,0,0,0,0,0,1,1,1,1,1,0,1,0,0,1,0,1,1,1,0,1,0,1,1,0,1,0,1,0,0,0,1,1,1,0,0,0,0,0,1,0,1,1,0,2,0,2,0,0,2,0,0,0,0,2,0,0,2,0,2,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3},

src/map.h

@@ -0,0 +1,12 @@
+// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
+
+#include "fixed.h"
+#ifndef map_test_M
+#define map_test_M
+
+//! Attention à avoir *exactement* la même taille entre ces valeurs et la carte dans map.c !
+
+#define map_w 64
+#define map_h 128
+
+#endif /* map_test.h */

src/moteur.c

@@ -2,41 +2,38 @@
 
 #include <math.h>
 #include <stdlib.h>
-#include <stdint.h>
 #include <string.h>
 #include <time.h>
 
 #include <gint/display.h>
-#include <gint/display-fx.h>
 #include <gint/keyboard.h>
-#include <gint/gray.h>
 #include <libprof.h>
 
 #include "fixed.h"
 
+#include "gint/display-cg.h"
 #include "moteur.h"
 #include "map.h"
-#include "game.h"
-#include "config.h"
 
 // moteur.c :
 // ici se trouvent tout ce qui concerne les graphismes, mouvement et collisions
 //
+//
 
-//1D zbuf for sprites
-fixed_t zbuf[viewport_w];
-
-void move(RcGame *game) {
+void move() {
   extern int frame_time;
   fixed_t moveSpeed = fmul(fix(frame_time), 0x148); //frame_time * fix(carrés/seconde/1000) là carrés/seconde = 5
   fixed_t rotSpeed = fmul(fix(frame_time), 0x83); //frame_time * fix(radians/seconde/1000) là radians/seconde = 2
   fixed_t c_rotSpeed = fix(cos(f2float(rotSpeed)));
   fixed_t s_rotSpeed = fix(sin(f2float(rotSpeed)));
 
-  uint8_t *map_test = game->current_map;
-  V2d *plane = &game->player.plane;
-  V2d *dir = &game->player.dir;
-  V2d *pos = &game->player.pos;
+  extern char map_test[map_w][map_h];
+  extern fixed_t planeX;
+  extern fixed_t planeY;
+  extern fixed_t dirX;
+  extern fixed_t dirY;
+  extern fixed_t posX;
+  extern fixed_t posY;
 
   fixed_t oldDirX;
   fixed_t oldPlaneX;
@@ -46,182 +43,176 @@ void move(RcGame *game) {
   int ytemp2;
 
   if (keydown(KEY_UP)) {
-    xtemp1 = ffloor(pos->x + fmul(dir->x, moveSpeed));
-    ytemp1 = ffloor(pos->y);
-    xtemp2 = ffloor(pos->x);
-    ytemp2 = ffloor(pos->y + fmul(dir->y, moveSpeed));
+    xtemp1 = f2int(posX + fmul(dirX, moveSpeed) - 0xF);
+    ytemp1 = f2int(posY);
+    xtemp2 = f2int(posX);
+    ytemp2 = f2int(posY + fmul(dirY, moveSpeed) - 0xF);
 
-    if(!map_test[xtemp1*map_w+ytemp1])
-      pos->x += fmul(dir->x, moveSpeed);
-    if(!map_test[xtemp2*map_w+ytemp2])
-      pos->y += fmul(dir->y, moveSpeed);
+    if(map_test[xtemp1][ytemp1] == 0) posX += fmul(dirX, moveSpeed);
+    if(map_test[xtemp2][ytemp2] == 0) posY += fmul(dirY, moveSpeed);
   }
   //move backwards if no wall behind you
   if (keydown(KEY_DOWN)) {
-    xtemp1 = ffloor(pos->x - fmul(dir->x, moveSpeed));
-    ytemp1 = ffloor(pos->y);
-    xtemp2 = ffloor(pos->x);
-    ytemp2 = ffloor(pos->y - fmul(dir->y, moveSpeed));
+    xtemp1 = f2int(posX - fmul(dirX, moveSpeed) + 0xF);
+    ytemp1 = f2int(posY);
+    xtemp2 = f2int(posX);
+    ytemp2 = f2int(posY - fmul(dirY, moveSpeed) + 0xF);
 
-    if(!map_test[xtemp1*map_w+ytemp1])
-      pos->x -= fmul(dir->x, moveSpeed);
-    if(!map_test[xtemp2*map_w+ytemp2])
-      pos->y -= fmul(dir->y, moveSpeed);
+    if(map_test[xtemp1][ytemp1] == 0) posX -= fmul(dirX, moveSpeed);
+    if(map_test[xtemp2][ytemp2] == 0) posY -= fmul(dirY, moveSpeed);
   }
-  //rotate to the right
+  //rotate to the rightdouble sin_rotspeed;
   if (keydown(KEY_RIGHT)) {
     //both camera direction and camera plane must be rotated
-    oldDirX = dir->x;
-    dir->x = (fmul(dir->x, c_rotSpeed)+1) - (fmul(dir->y, -s_rotSpeed)+1);
-    dir->y = (fmul(oldDirX, -s_rotSpeed)+1) + (fmul(dir->y, c_rotSpeed)+1);
-    oldPlaneX = plane->x;
-    plane->x = (fmul(plane->x, c_rotSpeed)+1) - (fmul(plane->y, -s_rotSpeed)+1);
-    plane->y = (fmul(oldPlaneX, -s_rotSpeed)+1) + (fmul(plane->y, c_rotSpeed)+1);
+    oldDirX = dirX;
+    dirX = (fmul(dirX, c_rotSpeed)+1) - (fmul(dirY, -s_rotSpeed)+1); 
+     dirY = (fmul(oldDirX, -s_rotSpeed)+1) + (fmul(dirY, c_rotSpeed)+1);
+     oldPlaneX = planeX;
+     planeX = (fmul(planeX, c_rotSpeed)+1) - (fmul(planeY, -s_rotSpeed)+1);
+    planeY = (fmul(oldPlaneX, -s_rotSpeed)+1) + (fmul(planeY, c_rotSpeed)+1);
   }
   //rotate to the left
   if (keydown(KEY_LEFT)) {
     //both camera direction and camera plane must be rotated
-    oldDirX = dir->x;
-    dir->x = (fmul(dir->x, c_rotSpeed)-1) - (fmul(dir->y, s_rotSpeed)-1);
-    dir->y = (fmul(oldDirX, s_rotSpeed)+1) + (fmul(dir->y, c_rotSpeed)+1);
-    oldPlaneX = plane->x;
-    plane->x = (fmul(plane->x, c_rotSpeed)-1) - (fmul(plane->y, s_rotSpeed) - 1);
-    plane->y = (fmul(oldPlaneX, s_rotSpeed)+1) + (fmul(plane->y, c_rotSpeed) + 1);
+    oldDirX = dirX;
+    dirX = (fmul(dirX, c_rotSpeed)-1) - (fmul(dirY, s_rotSpeed)-1);
+    dirY = (fmul(oldDirX, s_rotSpeed)+1) + (fmul(dirY, c_rotSpeed)+1);
+    oldPlaneX = planeX;
+    planeX = (fmul(planeX, c_rotSpeed)-1) - (fmul(planeY, s_rotSpeed) - 1);
+    planeY = (fmul(oldPlaneX, s_rotSpeed)+1) + (fmul(planeY, c_rotSpeed) + 1);
   }
 
-  if (dir->x > 0xFFFF) dir->x = 0xFFFF;
-  if (dir->y > 0xFFFF) dir->y = 0xFFFF;
-  if (dir->x < -0xFFFF) dir->x = -0xFFFF;
-  if (dir->y < -0xFFFF) dir->y = -0xFFFF;
+  if (dirX > 0xFFFF) dirX = 0xFFFF;
+  if (dirY > 0xFFFF) dirY = 0xFFFF;
+  if (dirX < -0xFFFF) dirX = -0xFFFF;
+  if (dirY < -0xFFFF) dirY = -0xFFFF;
+}
+
+void spawn_gen(){
+  extern fixed_t posX;
+  extern fixed_t posY;
+  extern fixed_t dirX;
+  extern fixed_t dirY;
+  extern fixed_t planeX;
+  extern fixed_t planeY;
+  extern char map_test[map_w][map_h];
+  
+  int seed, seed_x, seed_y;
+  int SeedSeed;
+
+  time_t timeN; 
+  time(&timeN);
+  SeedSeed = timeN;
+
+  srand(SeedSeed);
+
+  while(1){
+    seed = rand() * 0.5 + rand() * 0.5;
+    seed_x = seed & 0b1111111;
+    seed_y = (seed >> 8) & 0b111111;
+    if (seed_x < map_w && seed_y < map_h && (seed_x < 111 && seed_y > 15)){
+      if(map_test[seed_x][seed_y] == 0){
+        break;
+      }
+    }
+  }
+  fixed_t start_dirX, start_dirY;
+
+  int dirSeed = (seed >> 9) & 0b11 ;
+  switch(dirSeed){
+    case 0: {
+      start_dirX = 0x0;
+      start_dirY = 0xFFFF;
+      planeX = fix(0.66);
+      planeY = 0;
+      break;
+    }
+    case 1: {
+      start_dirX = 0xFFFF;
+      start_dirY = 0x0;
+      planeX = 0;
+      planeY = fix(-0.66);
+      break;
+    }
+    case 2: {
+      start_dirX = -0xFFFF;
+      start_dirY = 0x0;
+      planeX = 0;
+      planeY = fix(0.66);
+      break;
+    }
+    case 3: {
+      start_dirX = 0x0;
+      start_dirY = -0xFFFF;
+      planeX = fix(-0.66);
+      planeY = 0;
+      break;
+    }
+    default : {
+      start_dirX = 0xFFFF;
+      start_dirY = 0x0;
+      planeX = 0;
+      planeY = fix(-0.66);
+      break;
+    }
+  }
+
+  posX = fix(seed_x) + 0x7FFF;
+  posY = fix(seed_y) + 0x7FFF;  //x and y start position
+  dirX = start_dirX;
+  dirY = start_dirY; //initial direction vector
 }
 
 void load_map(){
-
+  spawn_gen();
 }
 
-//Fonction fournie par le grand Lephé :D
-inline int __attribute__((always_inline))
-  get_pixel(bopti_image_t const *img, int u, int v)
-{
-  int layers = image_layer_count(img->profile);
-  int columns = (img->width + 31) >> 5;
-
-  uint32_t const *layer_ptr = (void *)img->data;
-  layer_ptr += (v * columns + (u >> 5)) * layers;
-
-  uint32_t mask = 0x80000000u >> (u & 31);
-
-  int light = (layer_ptr[0] & mask) != 0;
-  int dark  = (layer_ptr[1] & mask) != 0;
-  int alpha = 0;
-  if(layers > 2){
-    alpha = !(layer_ptr[2] & mask);
-  }
-  return (alpha << 2) + (dark << 1) + light;
-}
-
-uint32_t *light, *dark;
-
-//Version simplifiée de gpixel dans gint/src/gray/gpixel.c
-//Tout le crédit revient à Lephé
-inline void __attribute__((always_inline))
-  cust_dpixel(int x, int y, color_t color){
-
-  if(y >= viewport_h || y < 0)
-    return;
-  int offset = (y << 2) + (x >> 5);
-  uint32_t mask = 1 << (~x & 31);
-
-  switch(color){
-    case C_WHITE:
-      light[offset] &= ~mask;
-      dark [offset] &= ~mask;
-      break;
-
-    case C_LIGHT:
-      light[offset] |= mask;
-      dark [offset] &= ~mask;
-      break;
-
-    case C_DARK:
-      light[offset] &= ~mask;
-      dark [offset] |= mask;
-      break;
-
-    case C_BLACK:
-      light[offset] |= mask;
-      dark [offset] |= mask;
-      break;
-    case C_NONE:
-      break;
-
-    default: break;
-  }
-}
-
-void dscale_bopti(bopti_image_t *tex, fixed_t scale_x, fixed_t scale_y, int x, int y){
-  dgray_getvram(&light,&dark);
-
-  fixed_t screen_y = fix(y);
-  fixed_t tex_y = 0;
-  do{
-    fixed_t oldy = screen_y;
-    if(screen_y < 0 || screen_y+scale_x > viewport_h)
-      return;
-    do{
-      fixed_t screen_x = fix(x);
-      fixed_t tex_x = 0;
-      do{
-        fixed_t oldx = screen_x;
-        int tpix = get_pixel(tex, tex_x, tex_y);
-        if(screen_x < 0 || screen_x+scale_x > viewport_w)
-          return;
-        do{
-          cust_dpixel(ffloor(oldx), ffloor(oldy), tpix);
-          oldx += 0xFFFF;
-        } while(oldx < screen_x+scale_x);
-        screen_x += scale_x;
-        tex_x++;
-      } while(tex_x < tex->width);
-      oldy += 0xFFFF;
-    } while(oldy < screen_y+scale_y);
-    screen_y += scale_y;
-    tex_y++;
-  } while(tex_y < tex->height);
-}
-
-inline void __attribute__((always_inline))
-  draw_stripe(bopti_image_t *tex, int texSampleY, int linePos, fixed_t texSize,
-                int texX, int x){
-
+#if asm_opti
+#else
+inline void __attribute__((always_inline)) draw_stripe(image_t *tex, int texSampleY,
+                                          int linePos, fixed_t texSize, int texX, int x){
     fixed_t screenPos = fix(linePos);
-    for(int texPos = texSampleY; texPos < TSIZE; ++texPos){
-      if(screenPos >= 0){
+    uint32_t texDat = (uint32_t)tex->data + 2*texX;
+    register int vramSize asm("r2") = 396;
+    register int oneConst asm("r12");
+    asm("mov #-1, r12\n"
+        "extu.w r12, r12"
+        : "=r" (oneConst)
+        : "r" (oneConst)
+    );
+    register int maxConst asm("r13") = viewport_w*viewport_h;
+    for(int texPos = texSampleY; texPos < 64; ++texPos){
+      if(screenPos >= -texSize){
+        int vrampos = ffloor(screenPos)*vramSize+x;
         fixed_t oldPos = screenPos;
-        int tpix = get_pixel(tex, texX, texPos);
+        int16_t pix = *(int16_t*)texDat;
         do{
-          oldPos += 0xFFFF;
-          cust_dpixel(x, fround(oldPos), tpix);
+          gint_vram[vrampos] = pix;
+          vrampos += vramSize;
+          oldPos += oneConst;
+          if(vrampos >= maxConst)
+            return;
         }while(oldPos < screenPos+texSize);
       }
       screenPos += texSize;
+      texDat += tex->stride;
     }
 }
+#endif
 
 void draw_walls(
 #if debug
-  EngineTimers *timers,
+  EngineTimers *timers
 #endif
-  RcGame *game
 ){
-    fixed_t posX = game->player.pos.x;
-    fixed_t posY = game->player.pos.y;
-    fixed_t dirX = game->player.dir.x;
-    fixed_t dirY = game->player.dir.y;
-    fixed_t planeX = game->player.plane.x;
-    fixed_t planeY = game->player.plane.y;
-    extern bopti_image_t *tex_index[TINDEX_S];
-    uint8_t *map_test = game->current_map;
+    extern fixed_t posX;
+    extern fixed_t posY;
+    extern fixed_t dirX;
+    extern fixed_t dirY;
+    extern fixed_t planeX;
+    extern fixed_t planeY;
+    extern image_t *tex_index[TINDEX_S];
+    extern char map_test[map_w][map_h];
 
     fixed_t cameraX;
     fixed_t rayDirX;
@@ -244,12 +235,10 @@ void draw_walls(
     int texSample;
     int texSampleY;
 
-    dgray_getvram(&light,&dark);
+    int v_offset = 0; //(int)(sin(f2int(posX + posY)) * 5); //a raffiner un peu
+    fixed_t h_offset = 0; //fix(sin(f2int(posX - posY)) * 0.01);
 
-    int v_offset = 0;
-    fixed_t h_offset = 0;
-
-    //struct image_linear_map temp;
+    struct image_linear_map temp;
 
     for(x = 0; x < viewport_w; x++) {
       #if debug
@@ -262,9 +251,10 @@ void draw_walls(
       rayDirX = dirX + fmul(planeX, cameraX);
       rayDirY = dirY + fmul(planeY, cameraX);
       
+
       //which box of the map we're in
-      mapX = ffloor(posX);
-      mapY = ffloor(posY);
+      mapX = f2int(posX);
+      mapY = f2int(posY);
 
       // length of ray from one x or y-side to next x or y-side
       // these are derived as:
@@ -284,8 +274,6 @@ void draw_walls(
 
       deltaDistX = abs(fdiv(0xFFFF, rayDirX));
       deltaDistY = abs(fdiv(0xFFFF, rayDirY));
-      if(deltaDistX > max_dist) deltaDistX = max_dist;
-      if(deltaDistY > max_dist) deltaDistY = max_dist;
 
       //calculate step and initial sideDist
       if (rayDirX < 0) {
@@ -312,11 +300,11 @@ void draw_walls(
       //perform DDA
       while(true) {
         //Check if the ray is out of range/bounds
-        if (sideDistX >= max_dist || sideDistY >= max_dist || mapX < 0 || mapY < 0 || mapY >= map_w || mapX >= map_h) {
+        if (sideDistX >= max_dist || sideDistY >= max_dist || mapX < 0 || mapY < 0 || mapX >= map_w || mapY >= map_h) {
           break;
         }
         //Otherwise check if ray has hit a wall
-        if (map_test[mapX*map_w+mapY] > 0) {
+        if (map_test[mapX][mapY] > 0) {
           break;
         }
         //jump to next map square, either in x-direction, or in y-direction
@@ -341,8 +329,6 @@ void draw_walls(
       if (side == 0) perpWallDist = (sideDistX - deltaDistX);
       else perpWallDist = (sideDistY - deltaDistY);
 
-      zbuf[x] = perpWallDist;
-
       #if debug
       prof_leave(timers->raycast_time);
       prof_enter(timers->draw_time);
@@ -354,38 +340,35 @@ void draw_walls(
       fixed_t wallX; //where exactly the wall was hit
       if (side == 0) wallX = posY + fmul(perpWallDist, rayDirY); 
       else  wallX = posX + fmul(perpWallDist, rayDirX);     
-      wallX -= fix(ffloor(wallX));
+      wallX -= fix(floor(f2int(wallX)));
 
       //x coordinate on the texture
-      texX = fmul(wallX, TSIZE);
-      texX %= TSIZE;
+      texX = fmul(wallX, 64);
+      texX = texX % 64;
 
       if(side == 0 && rayDirX > 0) texX = 64 - texX - 1;
       if(side == 1 && rayDirY < 0) texX = 64 - texX - 1;
 
-      lineHeight = ffloor(fdiv(fix(viewport_h), perpWallDist)); //Taille en px de la ligne
+      lineHeight = f2int(fdiv(fix(viewport_h), perpWallDist)); //Taille en px de la ligne
       if (lineHeight < 1) lineHeight = 1;
       //if (lineHeight > viewport_h) lineHeight = viewport_h - 1;
 
-      fixed_t texSize = fix(lineHeight) / TSIZE; //taille proportionelle de la ligne a la tex
-      if (texSize < fix(1.0/(float)TSIZE)) texSize = fix(1.0/(float)TSIZE);
-      if (texSize > fix((float)viewport_h/(float)TSIZE)) {
+      fixed_t texSize = fix(lineHeight) / 64; //taille proportionelle de la ligne a la tex
+      if (texSize < 0x400) texSize = 0x400; //0x400 = 1/64 * 2^16
+      if (texSize > 0x3D000) { //0x3D000 = 3.8125 * 2^16, 3.8125 = viewport_h/64
         texSample = fceil(fdiv(fix(viewport_h), texSize));
-        texSampleY  = TSIZE/2 - texSample/2;
+        texSampleY  = 32 - texSample/2;
       }
       else {
-        texSample = TSIZE;
+        texSample = 64;
         texSampleY = 0; 
       }
 
       int linePos = viewport_h/2 - lineHeight/2;
 
-      bopti_image_t *tex = tex_index[map_test[mapX*map_w+mapY]];
+      image_t *tex = tex_index[map_test[mapX][mapY]];
 
-      //dline(x, linePos, x, linePos + lineHeight, 1);
-
-      draw_stripe(tex, texSampleY, linePos,
-                    texSize, texX, x);
+      draw_stripe(tex, texSampleY, linePos, texSize, texX, x);
 
       #if debug
       prof_leave(timers->draw_time);

src/moteur.h

@@ -0,0 +1,40 @@
+// Voir README.md pour license précise, par Fcalva 2023-2024 et est sous GPLv3
+
+#ifndef moteur_h
+#define moteur_h
+
+#include "libprof.h"
+#include <gint/image.h>
+
+//param. graphiques
+#define screen_w 396
+#define screen_h 224
+#define viewport_w 396
+#define viewport_h 224
+#define max_dist fix(32) //en tuiles << 16, actuellement 32
+
+#define TINDEX_S 256
+
+#define debug 0 //pour afficher les infos de debug
+
+#define asm_opti 0
+
+typedef struct {
+
+  prof_t raycast_time;
+  prof_t draw_time;
+
+} EngineTimers;
+
+void draw_stripe(image_t *tex, int texSampleY, int linePos, fixed_t texSize, int texX, int x);
+
+void load_map();
+void end_screen();
+void draw_walls(
+#if debug
+  EngineTimers *timers
+#endif
+);
+void move();
+
+#endif /* moteur */