npc : Début d'ajout d'IA

assets/converters.py

@@ -309,15 +309,15 @@ def convert_map(input: str, output: str, params: dict, target):
         npc_struct += fxconv.u32(i["position"][0])
         npc_struct += fxconv.u32(i["position"][1])
         npc_struct += fxconv.u16(i["face"])
-        npc_struct += fxconv.u8(0)
+        npc_struct += fxconv.u8(0) #paused
         npc_struct += fxconv.u8(i["hasDialog"])
         npc_struct += fxconv.u32(i["dialogID"])
         npc_struct += fxconv.u32(i["needAction"])
         npc_struct += fxconv.string(i["name"])
         npc_struct += fxconv.u8(len(i["path"]) > 2)
-        npc_struct += fxconv.u8(0)
+        npc_struct += fxconv.u8(0) #owns_path
         npc_struct += fxconv.u8(len(i["path"])//2)
-        npc_struct += fxconv.u8(0)
+        npc_struct += fxconv.u8(0) #current_point
 
         xpath = bytes()
         ypath = bytes()
@@ -330,9 +330,11 @@ def convert_map(input: str, output: str, params: dict, target):
         npc_struct += fxconv.ptr(xpath)
         npc_struct += fxconv.ptr(ypath)
 
-        npc_struct += fxconv.u32(0) # TODO: Type
+        npc_struct += fxconv.u16(0) # Type - leave as
         npc_struct += fxconv.u8(0) # TODO: Group
-        npc_struct += fxconv.u8(0) # TODO: Hostile to
+        npc_struct += fxconv.u8(0) # Hostile to - leave as
+        npc_struct += fxconv.u8(0) # state - leave as
+        npc_struct += fxconv.u8(0) # Padding
         npc_struct += fxconv.u16(0) # Padding
     map_struct += fxconv.ptr(npc_struct)
     # Load signs

src/game.c

@@ -11,18 +11,21 @@
 #include <gint/keyboard.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 extern bopti_image_t SignAction_img;
 extern bopti_image_t player_male_img;
 extern bopti_image_t tiny_npc_male;
 
 extern Dialog *dialogRPG;
-// extern NPC *npcRPG;
-// extern uint32_t nbNPC;
 
 #define MAX_INTERACTION_DISTANCE 12
 
 void game_init(Game *game) {
+    /*Seed the stdlib rand() function*/
+    uint32_t randseed = time(NULL);
+    srand(randseed);
+
     game->map_level = worldRPG[0];
     /* NPC animation */
     animation_new(&game->npc_animation, &tiny_npc_male, 3, 250);
@@ -279,9 +282,15 @@ void game_get_inputs(Game *game) {
                 mynpc->xpath = NULL;
                 mynpc->ypath = NULL;
             }
+            while(keydown(KEY_F1)){
+                clearevents();
+            }
         }
         if(keydown(KEY_F2)) {
             npc_remove_pos(0);
+            while(keydown(KEY_F2)){
+                clearevents();
+            }
         }
 
         /* Display Debug Information on screen */

src/game.h

@@ -143,16 +143,21 @@ typedef struct {
 
     /* data for NPC's trajectories */
     uint8_t hasPath;
-    uint8_t owns_path;
+    uint8_t owns_path; /*If the NPCs path is malloc()ed*/
     uint8_t path_length;
     uint8_t currentPoint;
     int16_t *xpath;
     int16_t *ypath;
 
-    int type : 32;
+    /*Should be one of NPC_ - 0 for static NPCs*/
+    uint16_t type;
 
+    /*The follwing should be one of NPC_T*/
     uint8_t current_group;
     uint8_t hostile_to_group;
+    /*state should be one of NPC_S*/
+    uint8_t state;
+    uint8_t __temp;
 
     /* uint16_t to keep the struct aligned */
     uint16_t __padding;

src/main.c

@@ -124,6 +124,7 @@ int main(void) {
     _message_buffer = NULL;
     _message_buffer = malloc(MESSAGE_BUFFER_SZ);
     if(!_message_buffer) {
+        dclear(C_WHITE);
         dtext(64, 64, C_BLACK,
               "Failed to allocate the message buffer: not "
               "enough RAM available. Press any key to quit.");
@@ -131,6 +132,7 @@ int main(void) {
         getkey();
         return 0;
     }
+
     game_init(&game);
 
 #if USB_FEATURE
@@ -144,11 +146,6 @@ int main(void) {
     dgray(DGRAY_ON);
 #endif
 
-#if DEBUGMODE
-    dupdate();
-    getkey();
-#endif
-
     do {
         /* render the map */
         game_draw(&game);

src/npc.c

@@ -18,6 +18,32 @@ extern bopti_image_t tiny_npc_female;
 extern bopti_image_t tiny_npc_milkman;
 extern bopti_image_t tiny_npc_police;
 
+NPC_TypeData npc_typedat[NPC_Type_Count] = {
+    /*NPC_Static*/
+    {0, 0, 0, 0},
+    /*NPC_Guard*/
+    {
+        .agressivity = 75,
+        .cowardice = 85,
+        .lazyness = 50,
+        .wanderlust = 150
+    },
+    /*NPC_Bandit*/
+    {
+        .agressivity = 110,
+        .cowardice = 85,
+        .lazyness = 40,
+        .wanderlust = 60
+    },
+    /*NPC_Monster*/
+    {
+        .agressivity = 170,
+        .cowardice = 50,
+        .lazyness = 40,
+        .wanderlust = 80
+    }
+};
+
 NPC npc_stack[NPC_STACK_SIZE];
 uint32_t npc_count;
 
@@ -340,16 +366,50 @@ void update_npcs(Game *game) {
     }
     for(i = 0; i < npc_count; i++) {
         update_npc(&npc_stack[i], game);
-        /*Temp debug*/
-        game->mana = npc_pathfind(game->player.x, game->player.y,
-                                  game->map_level, &npc_stack[i]);
+    }
+}
+
+void npc_ai(NPC *npc, Game *game){
+    NPC_TypeData *tdat = &npc_typedat[npc->type];
+
+    uint32_t idle_chance = 0;
+    uint32_t wander_chance = 0;
+    uint32_t flee_chance = 0;
+    uint32_t attack_chance = 0;
+
+    switch(npc->state){
+        case NPC_S_IDLE : {
+            /*TODO : Expand conditions to switch states*/
+
+            break;
+        }
+        case NPC_S_WANDER : {
+            /*TODO : Choose a random close point to pathfind to */
+            break;
+        }
+        case NPC_S_FLEE : {
+            /*TODO : Pathfind to a point away from the player*/
+            break;
+        }
+        case NPC_S_ATTACK : {
+            /*TODO : Attack !*/
+            break;
+        }
+        default : {
+            /*Get real*/
+            npc->state = NPC_S_IDLE;
+            break;
+        }
     }
 }
 
 extern const short int walkable_speed[WALKABLE_TILE_MAX];
 
 void update_npc(NPC *npc, Game *game) {
-    /* if the NPC has no path or is paused, skip it */
+    if(npc->type != NPC_Static)
+        npc_ai(npc, game);
+
+    /* if the NPC has no path or is paused, skip the moving part */
     if(!npc->hasPath || npc->paused == true)
         return;
 

src/npc.h

@@ -16,13 +16,40 @@
 
 #define npc_to_curxy(a) (((a)*PXSIZE) << PRECISION)
 
-enum {
+typedef struct {
 
-    NPC_NONE = 0,
-    NPC_FRIENDLY = 1, // The player's team
-    NPC_HOSTILE = 2,  // to the player
-    NPC_ALL = 3
+    /*TODO : Stats*/
+
+    /*AI weights - Values on 255*/
+    uint8_t agressivity; /*Attack*/
+    uint8_t cowardice; /*Flee*/
+    uint8_t lazyness; /*Idle*/
+    uint8_t wanderlust; /*Wandering*/
+
+} NPC_TypeData;
+
+enum {
+    NPC_Static = 0, /*~= none, disqualifies from all AI*/
+    NPC_Guard = 1,
+    NPC_Bandit = 2,
+    NPC_Monster = 3,
+    NPC_Type_Count
 };
+
+enum {
+    NPC_T_NONE = 0,
+    NPC_T_FRIENDLY = 1, /* The player's team */
+    NPC_T_HOSTILE = 2,  /* to the player */
+    NPC_T_ALL = 3
+};
+
+enum {
+    NPC_S_IDLE = 0,
+    NPC_S_ATTACK = 1,
+    NPC_S_FLEE = 2,
+    NPC_S_WANDER = 3
+};
+
 /* /!\ Warning /!\
  * Do not keep hard references to non-static NPCs, as they will likely move
  * in the stack */