Add walk animation

src/entity/entity.c

@@ -17,6 +17,19 @@ void entityInit(entity_t *entity, const entitytype_t type) {
 void entityTick(entity_t *entity) {
   if(entity->type == ENTITY_TYPE_NULL) return;
 
+  // Handle animation
+  switch(entity->animation) {
+    case ENTITY_ANIM_WALK:
+      entity->animWalk--;
+      if(entity->animWalk == 0) {
+        entity->animation = ENTITY_ANIM_NONE;
+      }
+      return;
+
+    default:
+      break;
+  }
+
   // Let entities move (if they do)
   if(entity->type == ENTITY_TYPE_PLAYER) {
     playerTickInput(entity);
@@ -76,6 +89,9 @@ void entityWalk(entity_t *entity, const direction_t direction) {
   // Move.
   entity->position.x = newX;
   entity->position.y = newY;
+
+  entity->animation = ENTITY_ANIM_WALK;
+  entity->animWalk = ENTITY_ANIM_WALK_DURATION;// TODO: Running vs walking
 }
 
 void entityInteract(entity_t *entity) {

src/entity/entity.h

@@ -11,6 +11,11 @@
 #include "player.h"
 #include "sign.h"
 
+#define ENTITY_ANIM_NONE 0
+#define ENTITY_ANIM_WALK 1
+
+#define ENTITY_ANIM_WALK_DURATION 8
+
 typedef struct entity_s {
   struct {
     // Relative to top-left position of the top-left chunk of the map.
@@ -20,6 +25,11 @@ typedef struct entity_s {
   direction_t direction;
   entitytype_t type;
 
+  uint8_t animation;
+  union {
+    uint8_t animWalk;
+  };
+
   union {
     sign_t sign;
   };

src/platform/CMakeLists.txt

@@ -3,6 +3,16 @@
 # This software is released under the MIT License.
 # https://opensource.org/licenses/MIT
 
-# add_subdirectory(raylib)
-add_subdirectory(term)
-add_subdirectory(tty)
+if(NOT DEFINED PLATFORM)
+    set(PLATFORM "raylib" CACHE STRING "Select the platform to build for (options: raylib, term, tty)")
+endif()
+
+if(PLATFORM STREQUAL "tty")
+  add_subdirectory(term)
+  add_subdirectory(tty)
+elseif(PLATFORM STREQUAL "raylib")
+  add_subdirectory(raylib)
+  add_subdirectory(term)
+else()
+  message(FATAL_ERROR "Unknown PLATFORM: ${PLATFORM}.")
+endif()

src/platform/term/termoverworld.c

@@ -24,6 +24,12 @@ void termDrawOverworld(
 
   // Draw entities
   termDrawEntity(&GAME.player, chars, colors, w, h);
+
+  entity_t *start = GAME.overworld.map.entities;
+  while(start != GAME.overworld.map.entities + MAP_ENTITY_COUNT) {
+    termDrawEntity(start, chars, colors, w, h);
+    start++;
+  }
 }
 
 void termDrawEntity(
@@ -40,7 +46,26 @@ void termDrawEntity(
   int32_t index = ent->position.y * w + ent->position.x;
 
   if(ent->type == ENTITY_TYPE_PLAYER) {
+    switch(ent->direction) {
+      case DIRECTION_UP:
+        chars[index] = '^';
+        break;
+      case DIRECTION_DOWN:
+        chars[index] = 'v';
+        break;
+      case DIRECTION_LEFT:
+        chars[index] = '<';
+        break;
+      case DIRECTION_RIGHT:
+        chars[index] = '>';
+        break;
+      default:
         chars[index] = '@';
+        break;
+    }
+    colors[index] = TERM_COLOR_WHITE;
+  } else if(ent->type == ENTITY_TYPE_SIGN) {
+    chars[index] = '!';
     colors[index] = TERM_COLOR_YELLOW;
   }
 }