Atlas.

common.mk

@@ -8,6 +8,7 @@ vpath %.h $(SEARCHPATH)
 
 DEPS += defs.h structs.h
 
+OBJS += atlas.o
 OBJS += camera.o combat.o
 OBJS += draw.o
 OBJS += effects.o entities.o explosions.o

src/structs.h

@@ -30,6 +30,7 @@ typedef struct Sprite Sprite;
 typedef struct Tuple Tuple;
 typedef struct HubMission HubMission;
 typedef struct Widget Widget;
+typedef struct Atlas Atlas;
 
 typedef struct {
 	int debug;
@@ -313,3 +314,9 @@ struct Widget {
 	int clicked;
 	Widget *next;
 };
+
+struct Atlas {
+	char filename[MAX_FILENAME_LENGTH];
+	SDL_Rect rect;
+	Atlas *next;
+};

src/system/atlas.c

@@ -0,0 +1,78 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "atlas.h"
+
+static void loadAtlasTexture(void);
+static void loadAtlasData(void);
+
+static Atlas atlasHead;
+static Atlas *atlasTail;
+/*
+static Texture atlasTexture;
+static int atlasSize;
+*/
+
+void initAtlas(void)
+{
+	memset(&atlasHead, 0, sizeof(Atlas));
+	atlasTail = &atlasHead;
+	
+	loadAtlasTexture();
+
+	loadAtlasData();
+}
+
+Atlas *getImageFromAtlas(char *filename)
+{
+	Atlas *a;
+	
+	for (a = atlasHead.next ; a != NULL ; a = a->next)
+	{
+		if (strcmp(a->filename, filename) == 0)
+		{
+			return a;
+		}
+	}
+	
+	SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "No such atlas image '%s'", filename);
+	exit(1);
+}
+
+static void loadAtlasTexture(void)
+{
+	
+}
+
+static void loadAtlasData(void)
+{
+	
+}
+
+void loadImageData(cJSON *root)
+{
+	
+}
+
+void createRectangle(char *filename, int x, int y, int w, int h)
+{
+	
+}
+

src/system/atlas.h

@@ -0,0 +1,22 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "../common.h"
+#include "../json/cJSON.h"