Basic XML tokeniser for reading spritesheet xml

This commit is contained in:
Doyle Thai 2016-08-23 02:40:38 +10:00
parent 4d7025876f
commit a1ff789485
2 changed files with 154 additions and 1 deletions

View File

@ -84,6 +84,38 @@ INTERNAL void rendererInit(GameState *state, v2 windowSize)
#endif #endif
} }
typedef struct XmlNode
{
char *name;
char **fieldName;
char **fieldValue;
i32 numFields;
struct XmlNode **children;
} XmlNode;
enum TokenType
{
tokentype_unknown,
tokentype_openArrow,
tokentype_closeArrow,
tokentype_string,
tokentype_equals,
tokentype_quotes,
tokentype_backslash,
tokentype_count,
};
typedef struct Token
{
// TODO(doyle): Dynamic size string in tokens maybe.
enum TokenType type;
char string[128];
i32 len;
} Token;
INTERNAL void assetInit(GameState *state) INTERNAL void assetInit(GameState *state)
{ {
AssetManager *assetManager = &state->assetManager; AssetManager *assetManager = &state->assetManager;
@ -94,6 +126,119 @@ INTERNAL void assetInit(GameState *state)
Texture emptyTex = texture_gen(1, 1, 4, CAST(u8 *)(&bitmap)); Texture emptyTex = texture_gen(1, 1, 4, CAST(u8 *)(&bitmap));
assetManager->textures[texlist_empty] = emptyTex; assetManager->textures[texlist_empty] = emptyTex;
/*
**********************
* Tokenise XML Buffer
**********************
*/
PlatformFileRead xmlFileRead = {0};
i32 result = platform_readFileToBuffer(
arena, "data/textures/WorldTraveller/ClaudeSpriteSheet.xml",
&xmlFileRead);
Token *tokens = PLATFORM_MEM_ALLOC(arena, 8192, Token);
i32 tokenIndex = 0;
if (result)
{
DEBUG_LOG("Failed to read sprite sheet xml");
}
else
{
for (i32 i = 0; i < xmlFileRead.size; i++)
{
char c = (CAST(char *)xmlFileRead.buffer)[i];
switch (c)
{
case '<':
case '>':
case '=':
case '/':
{
enum TokenType type = tokentype_unknown;
if (c == '<')
{
type = tokentype_openArrow;
}
else if (c == '>')
{
type = tokentype_closeArrow;
}
else if (c == '=')
{
type = tokentype_equals;
}
else
{
type = tokentype_backslash;
}
tokens[tokenIndex].type = type;
tokens[tokenIndex].len = 1;
tokenIndex++;
break;
}
case '"':
{
tokens[tokenIndex].type = tokentype_string;
for (i32 j = i + 1; j < xmlFileRead.size; j++)
{
char c = (CAST(char *) xmlFileRead.buffer)[j];
if (c == '"')
{
break;
}
else
{
tokens[tokenIndex].string[tokens[tokenIndex].len++] = c;
#ifdef DENGINE_DEBUG
ASSERT(tokens[tokenIndex].len <
ARRAY_COUNT(tokens[tokenIndex].string));
#endif
}
}
// NOTE(doyle): +1 to skip the closing quotes
i += (tokens[tokenIndex].len + 1);
tokenIndex++;
break;
}
default:
{
if ((c >= 'a' && c <= 'z') || c >= 'A' && c <= 'Z')
{
tokens[tokenIndex].type = tokentype_string;
for (i32 j = i; j < xmlFileRead.size; j++)
{
char c = (CAST(char *) xmlFileRead.buffer)[j];
if (c == ' ' || c == '=')
{
break;
}
else
{
tokens[tokenIndex]
.string[tokens[tokenIndex].len++] = c;
#ifdef DENGINE_DEBUG
ASSERT(tokens[tokenIndex].len <
ARRAY_COUNT(tokens[tokenIndex].string));
#endif
}
}
i += tokens[tokenIndex].len;
tokenIndex++;
}
break;
}
}
}
}
/* Load textures */ /* Load textures */
asset_loadTextureImage(assetManager, asset_loadTextureImage(assetManager,
"data/textures/WorldTraveller/TerraSprite1024.png", "data/textures/WorldTraveller/TerraSprite1024.png",
@ -127,7 +272,7 @@ INTERNAL void assetInit(GameState *state)
"data/shaders/sprite.frag.glsl", "data/shaders/sprite.frag.glsl",
shaderlist_sprite); shaderlist_sprite);
i32 result = result =
asset_loadTTFont(assetManager, arena, "C:/Windows/Fonts/Arialbd.ttf"); asset_loadTTFont(assetManager, arena, "C:/Windows/Fonts/Arialbd.ttf");
#ifdef DENGINE_DEBUG #ifdef DENGINE_DEBUG
@ -1582,6 +1727,12 @@ void worldTraveller_gameUpdateAndRender(GameState *state, f32 dt)
state->input.keys[i].oldHalfTransitionCount = state->input.keys[i].oldHalfTransitionCount =
state->input.keys[i].newHalfTransitionCount; state->input.keys[i].newHalfTransitionCount;
} }
/*
********************
* DEBUG CODE
********************
*/
#ifdef DENGINE_DEBUG #ifdef DENGINE_DEBUG
for (i32 i = 0; i < world->freeEntityIndex-1; i++) for (i32 i = 0; i < world->freeEntityIndex-1; i++)
{ {

View File

@ -14,6 +14,7 @@ enum TexList
{ {
texlist_empty, texlist_empty,
texlist_hero, texlist_hero,
texlist_claude,
texlist_terrain, texlist_terrain,
texlist_font, texlist_font,
texlist_count, texlist_count,
@ -90,6 +91,7 @@ typedef struct Animation
{ {
TexAtlas *atlas; TexAtlas *atlas;
i32 *frameIndex; i32 *frameIndex;
i32 numFrames; i32 numFrames;
f32 frameDuration; f32 frameDuration;
} Animation; } Animation;