replace the code of the artificial "intellligence"

the new function of the AI chooses a random target in the adversary team
and use "attack" on it.

Signed-off-by: Olivier Gayot <duskcoder@gmail.com>

4 files changed, 44 insertions, 53 deletions

diff --git a/ai.h b/ai.h
new file mode 100644
index 0000000..070527d
--- /dev/null
+++ b/ai.h
@@ -0,0 +1,8 @@
+#ifndef AI_H
+#define AI_H
+
+#include "entry.h"
+
+void ai_play_turn(struct action_params_t *);
+
+#endif /* AI_H */
diff --git a/ia.c b/ia.c
index f122df2..0844339 100644
--- a/ia.c
+++ b/ia.c
@@ -6,62 +6,49 @@
 #include "prototypes.h"
 #include <time.h>
 
-void Factionennemi(int* Vtourennemi,SURFACES* surfaces,POSITIONS* positions, ENNEMIS ennemis[], PERSONNAGES persos[],int Vnbennemis,int*Vtour)
+#include "actions.h"
+
+static struct character_t *ai_find_random_target(const struct team_t *team)
 {
-    int target,degats;
+    int alive = 0;
+    int target_idx;
+
+    for (int i = 0; i < team->chr_cnt; ++i) {
+        if (team->chrs[i].alive)
+            ++alive;
+    }
+
+    target_idx = rand() % alive;
+
+    alive = 0;
+    for (int i = 0; i < team->chr_cnt; ++i) {
+        if (team->chrs[i].alive) {
+            if (alive == target_idx)
+                return &team->chrs[i];
 
-    target=Fchoosetargetallie(persos);
-    degats=Fgeneratedegats(persos, ennemis,*Vtourennemi,target);
-    persos[target].pv=persos[target].pv-degats;
-    do
-    {
-        if(*Vtourennemi<Vnbennemis)
-            (*Vtourennemi)++;
-        else if(*Vtourennemi==Vnbennemis)
-        {
-            *Vtourennemi=0;
-            inverse_boolean(*Vtour);
+            ++alive;
         }
-    }while(ennemis[*Vtourennemi].etat==MORT);
-    if(persos[target].pv<=0)
-    {
-        persos[target].pv=0;
-        persos[target].etat=MORT;
-        positions->Vpositionmort.x=positions->Vpositionpersos[target].x+surfaces->Tperso[target]->w/2-surfaces->Pmort->w/2;
-        positions->Vpositionmort.y=positions->Vpositionpersos[target].y+surfaces->Tperso[target]->h/2-surfaces->Pmort->h/2;
-        SDL_BlitSurface(surfaces->Pmort,NULL,surfaces->Pecran,&positions->Vpositionmort);
     }
-    /* TODO re-enable */
-#if 0
-    Fafficherdegats(surfaces,positions,degats,ALLIE,target,persos);
-#endif
-    SDL_Delay(1000);
-    SDL_BlitSurface(surfaces->Pfondjeu,&positions->Vpositiondegats,surfaces->Pecran,&positions->Vpositiondegats);
-    SDL_Flip(surfaces->Pecran);
+
+    /* no one is alive */
+    return NULL;
 }
 
-int Fchoosetargetallie(PERSONNAGES persos[])
+void ai_play_turn(struct action_params_t *params)
 {
-    int min=0,max=2,target;
+    /* XXX complete brainless articial intelligence */
 
-    do
-    {
-        target=(rand()%(max-min+1)+min);
-    }while(persos[target].etat==MORT);
-    return target;
-}
+    struct team_t *target_team;
+    struct character_t *target;
 
-int Fgeneratedegats(PERSONNAGES persos[],ENNEMIS ennemis[],int Vtourennemi,int target)
-{
-    int degats,taux,min,max;
+    target_team = (params->src->team == params->t1) ? params->t2 : params->t1;
 
-    degats=ennemis[Vtourennemi].force*60-persos[target].defense*50;
-    taux=degats/4;
-    min=degats-taux;
-    max=degats+taux;
-    degats=(rand()%(max-min+1)+min);
-    if(degats<0)
-        degats=0;
+    target = ai_find_random_target(target_team);
+
+    if (target == NULL) {
+        /* do nothing, everyone is dead */
+        return;
+    }
 
-    return degats;
+    attack(params->surfaces, params->positions, params->src, target, NULL);
 }
diff --git a/jouer.c b/jouer.c
index 48be23b..5050a29 100644
--- a/jouer.c
+++ b/jouer.c
@@ -2,6 +2,7 @@
 #include "structures.h"
 #include "constantes.h"
 
+#include "ai.h"
 #include "blits.h"
 
 #include "priv_entries.h"
@@ -237,9 +238,7 @@ static enum action_state_t character_play_turn(struct action_params_t *params)
         return dig_entry(action_entries_g, countof(action_entries_g), params);
     }
 
-#if 0
-    Factionennemi(&Vtourennemi,surfaces,positions,ennemis,persos,Vnbennemis,&Vtour,Vtourallie);
-#endif
+    ai_play_turn(params);
 
     return ACTION_PERFORMED;
 }
diff --git a/prototypes.h b/prototypes.h
index 79bb5dd..698bc46 100644
--- a/prototypes.h
+++ b/prototypes.h
@@ -19,9 +19,6 @@ void Finitialiserpositions (POSITIONS *positions, SURFACES *surfaces);
 
 Uint32 obtenirPixel(SDL_Surface *surface, int x, int y);
 void definirPixel(SDL_Surface *surface, int x, int y, Uint32 pixel);
-int Fgeneratedegats(PERSONNAGES persos[],ENNEMIS ennemis[],int Vtourennemi,int target);
-int Fchoosetargetallie(PERSONNAGES persos[]);
-void Factionennemi(int* Vtourennemi,SURFACES* surfaces,POSITIONS* positions, ENNEMIS ennemis[], PERSONNAGES persos[],int Vnbennemis,int*Vtour);
 void Fgetmap (int map[][11]);
 void Fmap (SURFACES*surfaces, POSITIONS* positions, struct team_t *ally, struct team_t *enemy);
 void Fchargersurfaces_map (SURFACES *surfaces,POSITIONS*positions);