From 73c0ef66b28d31cb67cf9f2343fd8d12e77041a1 Mon Sep 17 00:00:00 2001
From: Steve <stephenjsweeney@battleforthesolarsystem.com>
Date: Sun, 28 Jan 2018 17:23:49 +0000
Subject: [PATCH] Load sprites.

---
 src/structs.h        |  6 ++--
 src/system/init.c    |  3 +-
 src/system/init.h    |  1 +
 src/system/sprites.c | 81 +++++++++++++++++++++++++++++++++++++++++---
 src/system/sprites.h |  2 ++
 5 files changed, 84 insertions(+), 9 deletions(-)

diff --git a/src/structs.h b/src/structs.h
index 01350f5..865f65c 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -370,9 +370,9 @@ struct Quadtree {
 
 struct Sprite {
 	char name[MAX_NAME_LENGTH];
-	SDL_Rect frames[MAX_SPRITE_FRAMES];
-	int times[MAX_SPRITE_FRAMES];
-	char filenames[MAX_SPRITE_FRAMES][MAX_FILENAME_LENGTH];
+	int *times;
+	char **filenames;
+	SDL_Rect *frames;
 	int currentFrame;
 	float currentTime;
 	int w;
diff --git a/src/system/init.c b/src/system/init.c
index 92f5145..3ff34a1 100644
--- a/src/system/init.c
+++ b/src/system/init.c
@@ -71,7 +71,8 @@ void initGameSystem(void)
 		initGraphics,
 		initFonts,
 		initAtlas,
-		initSounds
+		initSounds,
+		initSprites
 	};
 
 	numInitFuns = sizeof(initFuncs) / sizeof(void*);
diff --git a/src/system/init.h b/src/system/init.h
index 5269f37..b030ce2 100644
--- a/src/system/init.h
+++ b/src/system/init.h
@@ -30,6 +30,7 @@ extern void initGraphics(void);
 extern void initFonts(void);
 extern void initAtlas(void);
 extern void initSounds(void);
+extern void initSprites(void);
 extern void destroyLookups(void);
 extern void destroyFonts(void);
 extern void destroyTextures(void);
diff --git a/src/system/sprites.c b/src/system/sprites.c
index 2e5acac..bfb253e 100644
--- a/src/system/sprites.c
+++ b/src/system/sprites.c
@@ -21,10 +21,21 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "sprites.h"
 
 static void animateSprite(Sprite *s);
+static void loadGameSprites(void);
+static void loadSpriteList(char *filename);
+static void loadSprites(cJSON *root);
 
 static Tuple spriteMapHead;
 static Sprite spriteHead;
-/*static Sprite *spriteTail;*/
+static Sprite *spriteTail;
+
+void initSprites(void)
+{
+	memset(&spriteHead, 0, sizeof(Sprite));
+	spriteTail = &spriteHead;
+	
+	loadGameSprites();
+}
 
 int getSpriteIndex(char *key)
 {
@@ -117,18 +128,78 @@ SDL_Rect getCurrentFrame(Sprite *s)
 	return s->frames[s->currentFrame];
 }
 
-void loadGameSprites(void)
+static void loadGameSprites(void)
 {
-	
+	char **filenames;
+	char path[MAX_FILENAME_LENGTH];
+	int count, i;
+
+	filenames = getFileList("data/sprites", &count);
+
+	for (i = 0 ; i < count ; i++)
+	{
+		sprintf(path, "data/sprites/%s", filenames[i]);
+
+		loadSpriteList(path);
+
+		free(filenames[i]);
+	}
+
+	free(filenames);
 }
 
-void loadSpriteList(char *filename)
+static void loadSpriteList(char *filename)
 {
+	cJSON *root, *node;
+	char *text;
+
+	SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, "Loading %s", filename);
+
+	text = readFile(filename);
+	root = cJSON_Parse(text);
+	
+	for (node = root->child ; node != NULL ; node = node->next)
+	{
+		loadSprites(node);
+	}
+	
+	cJSON_Delete(root);
+	
+	free(text);
 }
 
-void loadSprites(cJSON *root)
+static void loadSprites(cJSON *root)
 {
+	Sprite *s;
+	cJSON *frame;
+	int i;
 	
+	s = malloc(sizeof(Sprite));
+	memset(s, 0, sizeof(Sprite));
+	spriteTail->next = s;
+	spriteTail = s;
+	
+	STRNCPY(s->name, cJSON_GetObjectItem(root, "name")->valuestring, MAX_NAME_LENGTH);
+	
+	for (frame = cJSON_GetObjectItem(root, "frame")->child ; frame != NULL ; frame = frame->next)
+	{
+		s->numFrames++;
+	}
+	
+	s->times = malloc(sizeof(int) * s->numFrames);
+	s->filenames = malloc(sizeof(char*) * s->numFrames);
+	
+	i = 0;
+	
+	for (frame = cJSON_GetObjectItem(root, "frame")->child ; frame != NULL ; frame = frame->next)
+	{
+		s->times[i] = cJSON_GetObjectItem(frame, "time")->valueint;
+		
+		s->filenames[i] = malloc(MAX_NAME_LENGTH);
+		STRNCPY(s->filenames[i], cJSON_GetObjectItem(frame, "content")->valuestring, MAX_NAME_LENGTH);
+		
+		i++;
+	}
 }
 
 void destroySprites(void)
diff --git a/src/system/sprites.h b/src/system/sprites.h
index a9c66cb..81c6351 100644
--- a/src/system/sprites.h
+++ b/src/system/sprites.h
@@ -22,3 +22,5 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "../json/cJSON.h"
 
 extern float wrap(float value, float low, float high);
+extern char *readFile(const char *filename);
+char **getFileList(const char *dir, int *count);