Prevent crashing when no sprites is supplied

scenes/constants.h

@@ -24,7 +24,7 @@
 #define PLAYER_WIDTH 30
 #define PLAYER_HEIGHT 42
 #define PLAYER_C_WIDTH 30
-#define PLAYER_C_HEIGHT 30
+#define PLAYER_C_HEIGHT 26
 #else
 #define PLAYER_WIDTH 14
 #define PLAYER_HEIGHT 30

scenes/game_systems.c

@@ -1067,17 +1067,21 @@ void sprite_animation_system(Scene_t* scene)
     {
         Entity_t* p_ent =  get_entity(&scene->ent_manager, ent_idx);
         // Update animation state
+        unsigned int next_idx = p_cspr->current_idx;
         if (p_cspr->transition_func != NULL)
         {
-            unsigned int spr_idx = p_cspr->transition_func(p_ent);
-            if (p_cspr->current_idx != spr_idx)
-            {
-                p_cspr->current_idx = spr_idx;
-                p_cspr->sprites[spr_idx].sprite->current_frame = 0;
-            }
+            next_idx = p_cspr->transition_func(p_ent);
         }
         if (p_cspr->pause) return;
+
+        bool reset = p_cspr->current_idx != next_idx;
+        p_cspr->current_idx = next_idx;
+
         SpriteRenderInfo_t spr = p_cspr->sprites[p_cspr->current_idx];
+        if (spr.sprite == NULL) continue;
+
+        if (reset) spr.sprite->current_frame = 0;
+
         // Animate it (handle frame count)
         spr.sprite->elapsed++;
         if (spr.sprite->elapsed == spr.sprite->speed)

scenes/player_ent.c

@@ -4,7 +4,7 @@
 #include <string.h>
 #include "raymath.h"
 
-#define N_PLAYER_SPRITES 7
+#define N_PLAYER_SPRITES 8
 enum PlayerSpriteEnum
 {
     SPR_PLAYER_STAND = 0,
@@ -13,6 +13,7 @@ enum PlayerSpriteEnum
     SPR_PLAYER_FALL,
     SPR_PLAYER_LADDER,
     SPR_PLAYER_CROUCH,
+    SPR_PLAYER_CRMOVE,
     SPR_PLAYER_SWIM,
 };
 
@@ -31,17 +32,13 @@ static unsigned int player_sprite_transition_func(Entity_t* ent)
 
     if (p_move->ground_state & 1)
     {
-        if (p_plr->is_crouch)
+        if (Vector2LengthSqr(p_ctrans->velocity) > 1000.0f)
         {
-            return SPR_PLAYER_CROUCH;
+            return (p_plr->is_crouch) ? SPR_PLAYER_CRMOVE : SPR_PLAYER_RUN;
         }
         else
         {
-            if (Vector2LengthSqr(p_ctrans->velocity) > 1000.0f)
-            {
-                return SPR_PLAYER_RUN;
-            }
-            return SPR_PLAYER_STAND;
+            return (p_plr->is_crouch) ? SPR_PLAYER_CROUCH : SPR_PLAYER_STAND;
         }
     }
     else if (p_plr->ladder_state)