implementing the basis of player action

CMakeLists.txt

@@ -36,6 +36,10 @@ set(ASSETS
 set(ASSETS_cg
   assets-cg/demo_player.png
   assets-cg/demo_PNJ.png
+  assets-cg/SignAction.png
+  assets-cg/NPC_Icon.png
+  assets-cg/SGN_Icon.png
+  assets-cg/INFO_Icon.png
   assets-cg/player_face.png
   assets-cg/font.png
 )
@@ -55,6 +59,10 @@ set(ASSETS_cg_EGA64
 set(ASSETS_fx
   assets-fx/demo_player.png
   assets-fx/demo_PNJ.png
+  assets-fx/SignAction.png
+  assets-fx/NPC_Icon.png
+  assets-fx/SGN_Icon.png
+  assets-fx/INFO_Icon.png
   assets-fx/player_face.png
   assets-fx/font.png
   # ...

assets-cg/fxconv-metadata.txt

@@ -10,6 +10,22 @@ player_face.png:
   type: bopti-image
   name: player_face_img
 
+SignAction.png:
+  type: bopti-image
+  name: SignAction_img
+  
+INFO_Icon.png:
+  type: bopti-image
+  name: INFO_Icon_img
+  
+NPC_Icon.png:
+  type: bopti-image
+  name: NPC_Icon_img
+  
+SGN_Icon.png:
+  type: bopti-image
+  name: SGN_Icon_img
+
 font.png:
   name: fontRPG
   type: font

assets-fx/fxconv-metadata.txt

@@ -10,6 +10,21 @@ player_face.png:
   type: bopti-image
   name: player_face_img
 
+SignAction.png:
+  type: bopti-image
+  name: SignAction_img
+
+INFO_Icon.png:
+  type: bopti-image
+  name: INFO_Icon_img
+  
+NPC_Icon.png:
+  type: bopti-image
+  name: NPC_Icon_img
+  
+SGN_Icon.png:
+  type: bopti-image
+  name: SGN_Icon_img
 
 font.png:
   name: fontRPG

src/game.c

@@ -6,13 +6,40 @@
 
 #include <gint/keyboard.h>
 #include <gint/cpu.h>
+#include <gint/display.h>
 
+#include "stdlib.h"
+
+extern bopti_image_t SignAction_img;
 
 
 void game_logic(Game *game) {
 
+    for( int i=0; i<game->map_level->nbextradata; i++ )
+    {
+        if ( (abs((int) game->player.x - (int) game->map_level->extradata[i].x*PXSIZE) < 8*PXSIZE) 
+            && (abs((int) game->player.y - (int) game->map_level->extradata[i].y*PXSIZE) < 8*PXSIZE))
+        {
+            game->player.canDoSomething = true;
+            game->player.whichAction = i;
+            return;
+        }
+    }
+    
+    game->player.canDoSomething = false;
+    game->player.whichAction = -1;
+    return;
+}
 
 
+void render_indicator(Game *game)
+{
+    if (game->player.canDoSomething==false)
+        return;
+
+    dimage(5, 5, &SignAction_img);
+    //dprint( 20, 20, C_RED, "X= %d - Y= %d / Xp= %d - Yp= %d", game->player.x, game->player.y, game->map_level->extradata[0].x*PXSIZE, game->map_level->extradata[0].y*PXSIZE );
+    //dprint( 20, 40, C_RED, "ABS1= %d - ABS2= %d",  abs((int) game->player.x - (int) game->map_level->extradata[0].x*PXSIZE), abs((int) game->player.y - (int) game->map_level->extradata[0].y*PXSIZE) );
 }
 
 void draw(Game *game) {
@@ -20,6 +47,7 @@ void draw(Game *game) {
     render_map_by_layer(game, BACKGROUND);
     player_draw(game);
     render_map_by_layer(game, FOREGROUND);
+    render_indicator( game );
 }
 
 /* Key management */
@@ -51,6 +79,9 @@ void get_inputs(Game *game) {
     if(keydown(KEY_F2)) {
         game->debug_player = !game->debug_player;
     }
+    if(keydown(KEY_F3)) {
+        game->debug_extra = !game->debug_extra;
+    }
 #endif
 
 

src/game.h

@@ -1,6 +1,7 @@
 #ifndef GAME_H
 #define GAME_H
 
+
 #include <gint/display.h>
 #include <stdint.h>
 
@@ -24,12 +25,16 @@ typedef enum {
 
 /* Struct that define player parameters */
 typedef struct {
-    int x, y; /* The position of the player int the current map */
+    int16_t x, y; /* The position of the player int the current map */
-    unsigned int px, py; /* The position of the player on screen */
+    uint16_t px, py; /* The position of the player on screen */
-    int wx, wy; /* position of the player in the world */
+    int16_t wx, wy; /* position of the player in the world */
-    unsigned short int life; /* How many lives the player still has between 0
+    int16_t life; /* How many lives the player still has between 0
                               * and 100. */
-    char speed; /* The speed of the movement of the player. */
+    int8_t speed; /* The speed of the movement of the player. */
+
+    bool canDoSomething; /* set to true if a action can be done in the current position of the map */
+    int32_t whichAction; /* indicates which data are relevant to the current action in the extradata layer of the map */
+    bool isDoingAction;
 } Player;
 
 
@@ -103,6 +108,10 @@ void game_logic(Game *game);
 /* Draws everything on screen. */
 void draw(Game *game);
 
+/* This render a small sign on the upper lecft corner of the screen */
+/* if the player can do an action */
+void render_indicator(Game *game);
+
 /* Handle key presses. */
 void get_inputs(Game *game);
 

src/main.c

@@ -32,11 +32,11 @@ extern Map *worldRPG[];
 /* Game data (defined in "game.h")*/
 Game game = {
     NULL,
-    {12*PXSIZE, 36*PXSIZE, 0, 0, 10*PXSIZE, 48*PXSIZE, 100, SPEED},
+    {12*PXSIZE, 36*PXSIZE, 0, 0, 10*PXSIZE, 48*PXSIZE, 100, SPEED, false, 0, false},
     false, false, false, 0
 
     /* debug variables*/
-    , false, false, true
+    , false, false, false
 }; 
 
 /* screen capture management code */
@@ -142,7 +142,6 @@ int main(void) {
             if (game.debug_extra)
             {
                 dfont( NULL );
-                //drect( 155, 80, 390, 150, C_WHITE );
                 for (int i=0; i<game.map_level->nbextradata; i++ )
                     dprint( 10,  90+i*15, C_RED, "X= %d - Y= %d - T: %s", game.map_level->extradata[i].x, game.map_level->extradata[i].y, game.map_level->extradata[i].dialog );
             }

src/player.c

@@ -1,4 +1,5 @@
 #include "player.h"
+#include "dialogs.h"
 #include "map.h"
 #include "config.h"
 #include <gint/display.h>
@@ -25,6 +26,9 @@ const char damage_taken_walkable[WALKABLE_TILE_MAX] = {
 };
 
 extern bopti_image_t demo_player_img;
+extern bopti_image_t NPC_Icon_img;
+extern bopti_image_t SGN_Icon_img;
+extern bopti_image_t INFO_Icon_img;
 
 
 void player_draw(Game *game) {
@@ -77,8 +81,30 @@ void player_move(Game *game, Direction direction) {
     player->wy = game->map_level->ymin * PXSIZE + player->y;
 }
 
+
 void player_action(Game *game) {
-    /* TODO */
+    if( game->player.isDoingAction )  return;   /* alreday doing something */
+
+    if( game->player.canDoSomething )   /* we can do something */
+    {
+        game->player.isDoingAction = true;
+
+        char *text = game->map_level->extradata[game->player.whichAction].dialog;
+        bopti_image_t *face;
+
+        if (strcmp("PST", game->map_level->extradata[game->player.whichAction].type)==0)
+            face = &INFO_Icon_img;
+        else if (strcmp("NPC", game->map_level->extradata[game->player.whichAction].type)==0)
+            face = &NPC_Icon_img;
+        else if (strcmp("SGN", game->map_level->extradata[game->player.whichAction].type)==0)
+            face = &NPC_Icon_img;
+        else face = &demo_player_img;
+
+        showtext_dialog( game,
+                         face,  
+                         text,
+                         true, true );
+    }
 }
 
 bool player_collision(Game *game, Direction direction,