static int l_filesystem_append(lua_State* state)
{
const char* filename = l_tools_toStringOrError(state, 1);
const char* data = l_tools_toStringOrError(state, 2);
filesystem_append(filename, data);
return 2;
}
static int l_filesystem_contain(lua_State* state) {
const char* a = l_tools_toStringOrError(state, 1);
const char* b = l_tools_toStringOrError(state, 2);
if ( filesystem_contain(a, b))
lua_pushboolean(state, 1);
else
lua_pushboolean(state, 0);
return 1;
}
static int l_filesystem_compare(lua_State* state) {
const char* a = l_tools_toStringOrError(state, 1);
const char* b = l_tools_toStringOrError(state, 2);
int l = l_tools_toNumberOrError(state, 3);
if ( filesystem_compare(a, b, l))
lua_pushboolean(state, 1);
else
lua_pushboolean(state, 0);
return 1;
}
static int l_graphics_Shader_getExternVariable(lua_State* state) {
l_assertType(state, 1, l_graphics_isShader);
l_graphics_Shader const* shader = l_graphics_toShader(state, 1);
char const* name = l_tools_toStringOrError(state, 2);
graphics_ShaderUniformInfo const* info = graphics_Shader_getUniform(&shader->shader, name);
if(!info) {
goto errout;
}
graphics_ShaderUniformType type = graphics_shader_toMotorType(info->type);
if(type == graphics_ShaderUniformType_none) {
goto errout;
}
l_tools_pushEnum(state, type, l_graphics_ShaderUniformType);
lua_pushnumber(state, graphics_shader_toMotorComponents(info->type));
lua_pushnumber(state, info->elements);
return 3;
errout:
lua_pushnil(state);
lua_pushnil(state);
lua_pushnil(state);
return 3;
}
static int l_audio_newSource(lua_State *state) {
char const* filename = l_tools_toStringOrError(state, 1);
audio_SourceType type = audio_SourceType_stream;
if(!lua_isnoneornil(state, 2)) {
type = l_tools_toEnumOrError(state, 2, l_audio_SourceType);
}
// TODO handle load errors
switch(type) {
case audio_SourceType_static:
{
audio_StaticSource *src = lua_newuserdata(state, sizeof(audio_StaticSource));
audio_loadStatic(src, filename);
lua_rawgeti(state, LUA_REGISTRYINDEX, moduleData.staticMT);
break;
}
case audio_SourceType_stream:
{
audio_StreamSource *src = lua_newuserdata(state, sizeof(audio_StreamSource));
audio_loadStream(src, filename);
lua_rawgeti(state, LUA_REGISTRYINDEX, moduleData.streamMT);
break;
}
}
lua_setmetatable(state, -2);
return 1;
}
static int l_geometry_rectangle(lua_State* state) {
const char* type = l_tools_toStringOrError(state, 1);
float x = l_tools_toNumberOrError(state, 2);
float y = l_tools_toNumberOrError(state, 3);
float w = l_tools_toNumberOrError(state, 4);
float h = l_tools_toNumberOrError(state, 5);
float r = 0;
if (lua_tonumber(state, 6)) r = luaL_checknumber(state, 6);
float sx = 1;
if (lua_tonumber(state, 7)) sx = luaL_checknumber(state, 7);
float sy = 1;
if (lua_tonumber(state, 8)) sy = luaL_checknumber(state, 8);
float ox = 0;
if (lua_tonumber(state, 9)) ox = luaL_checknumber(state, 9);
float oy = 0;
if (lua_tonumber(state, 10)) oy = luaL_checknumber(state, 10);
if (strncmp(type,"line",4) == 0)
graphics_geometry_fillRectangle(0, x, y, w, h, r, sx, sy, ox, oy);
else if(strncmp(type,"fill", 4) == 0)
graphics_geometry_fillRectangle(1, x, y, w, h, r, sx, sy, ox, oy);
else
{
luaL_argerror(state,1,"expected string");
lua_error(state);
}
return 1;
}
static int l_audio_newSource(lua_State *state) {
char const* filename = l_tools_toStringOrError(state, 1);
const char* type = luaL_optstring(state, 2, "static");
int err;
if (strcmp(type,"stream") == 0) {
audio_StreamSource *src = lua_newuserdata(state, sizeof(audio_StreamSource));
err = audio_loadStream(src, filename);
moduleData.audio_type = audio_type_stream;
} else if (strcmp(type, "static") == 0) {
audio_StaticSource *src = lua_newuserdata(state, sizeof(audio_StaticSource));
err = audio_loadStatic(src, filename);
moduleData.audio_type = audio_type_static;
}
lua_rawgeti(state, LUA_REGISTRYINDEX, moduleData.audioDataMT);
if(err == -1){
lua_pushstring(state, "Could not load sound file: ");
lua_pushstring(state, lua_tostring(state, 1));
lua_pushstring(state, ", reason: unknow file type");
lua_concat(state, 3);
return lua_error(state);
}
else if(err == 0){
lua_pushstring(state, "Could not load sound file: ");
lua_pushstring(state, lua_tostring(state, 1));
lua_pushstring(state, ", reason: file does not exist");
lua_concat(state, 3);
return lua_error(state);
}
lua_setmetatable(state, -2);
return 1;
}
static int l_filesystem_enumerate(lua_State* state) {
int n = lua_gettop(state);
const char * dir = l_tools_toStringOrError(state, 1);
int error = PHYSFS_mount(dir, "/", 1);
if (error != 1)
return printf("%s %s %s \n", "Error: Directory or archive named : ", dir ," does not exist");
char **rc = PHYSFS_enumerateFiles("/");
char **i;
int index = 1;
if( n != 1 )
return luaL_error(state, "Function s a single parameter.");
lua_newtable(state);
for (i = rc; *i != 0; i++)
{
lua_pushinteger(state, index);
lua_pushstring(state, *i);
lua_settable(state, -3);
index++;
}
PHYSFS_freeList(rc);
return 1;
}
static int l_filesystem_getRealDirectory(lua_State* state) {
if (!PHYSFS_isInit())
return 0;
const char *dir = PHYSFS_getRealDir(l_tools_toStringOrError(state,1));
lua_pushstring(state, dir);
return 1;
}
static int l_filesystem_setSource(lua_State* state)
{
const char* p = l_tools_toStringOrError(state, 1);
int a = PHYSFS_addToSearchPath(p, 1);
if(!a)
printf("%s %s \n", "Couldn't set source", p);
return 1;
}
static int l_graphics_Font_getWrap(lua_State* state) {
l_assertType(state, 1, l_graphics_isFont);
graphics_Font* font = l_graphics_toFont(state, 1);
char const* line = l_tools_toStringOrError(state, 2);
int width = l_tools_toNumberOrError(state, 3);
lua_pushinteger(state, graphics_Font_getWrap(font, line, width, NULL));
return 1;
}
static int l_filesystem_isFile(lua_State* state) {
if (!PHYSFS_isInit())
return 0;
const char* name = l_tools_toStringOrError(state, 1);
if(!PHYSFS_isDirectory(name) && PHYSFS_exists(name))
lua_pushboolean(state, 1);
else
lua_pushboolean(state, 0);
return 1;
}
static int l_graphics_Shader_send(lua_State *state) {
l_assertType(state, 1, l_graphics_isShader);
l_graphics_Shader* shader = l_graphics_toShader(state, 1);
char const* name = l_tools_toStringOrError(state, 2);
graphics_ShaderUniformInfo const* info = graphics_Shader_getUniform(&shader->shader, name);
switch(info->type) {
case GL_INT:
sendIntegers(state, shader, info);
break;
case GL_FLOAT:
sendFloats(state, shader, info);
break;
case GL_BOOL:
sendBooleans(state, shader, info);
break;
case GL_INT_VEC2:
case GL_INT_VEC3:
case GL_INT_VEC4:
sendIntegerVectors(state, shader, info);
break;
case GL_FLOAT_VEC2:
case GL_FLOAT_VEC3:
case GL_FLOAT_VEC4:
sendFloatVectors(state, shader, info);
break;
case GL_BOOL_VEC2:
case GL_BOOL_VEC3:
case GL_BOOL_VEC4:
sendBooleanVectors(state, shader, info);
break;
case GL_FLOAT_MAT2:
case GL_FLOAT_MAT3:
case GL_FLOAT_MAT4:
sendFloatMatrices(state, shader, info);
break;
case GL_SAMPLER_2D:
sendSamplers(state, shader, info);
break;
};
return 0;
}
static int l_filesystem_load(lua_State* state) {
char const* filename = l_tools_toStringOrError(state, 1);
char* data = NULL;
int len = filesystem_read(filename, &data);
if(len < 0) {
lua_pushstring(state, "could not read file");
return lua_error(state);
}
luaL_loadstring(state, data);
free(data);
return 1;
}
static int l_geometry_circle(lua_State* state) {
const char* type = l_tools_toStringOrError(state, 1);
float x = l_tools_toNumberOrError(state, 2);
float y = l_tools_toNumberOrError(state, 3);
float radius = l_tools_toNumberOrError(state, 4);
float segments = l_tools_toNumberOrError(state, 5);
if (strncmp(type,"line",4) == 0)
graphics_geometry_drawCircle(x, y, radius, segments);
else if(strncmp(type,"fill", 4) == 0)
graphics_geometry_fillCircle(x, y, radius, segments);
return 1;
}
static int l_filesystem_read(lua_State* state) {
// TODO implement max length
char const* filename = l_tools_toStringOrError(state, 1);
char* data = NULL;
int len = filesystem_read(filename, &data);
if(len < 0) {
lua_pushstring(state, "could not read file");
return lua_error(state);
}
lua_pushstring(state, data);
free(data);
lua_pushnumber(state, len);
return 2;
}
int static l_graphics_newShader(lua_State* state) {
char const* vertexSrc = l_tools_toStringOrError(state, 1);
char const* fragmentSrc = NULL;
char * loadedFile1 = NULL;
char * loadedFile2 = NULL;
if(lua_isstring(state, 2)) {
fragmentSrc = lua_tostring(state, 2);
if(!isVertexShader(vertexSrc)) {
// TODO
int loadedFile1Size = filesystem_read(vertexSrc, &loadedFile1);
(void) loadedFile1Size;
if(!loadedFile1 || !isVertexShader(loadedFile1)) {
free(loadedFile1);
lua_pushstring(state, "input 1 is not a valid vertex shader");
return lua_error(state);
}
vertexSrc = loadedFile1;
}
if(!isSingleFragmentShader(fragmentSrc)) {
// TODO
int loadedFile2Size = filesystem_read(fragmentSrc, &loadedFile2);
(void)loadedFile2Size;
if(!loadedFile2 || !isSingleFragmentShader(loadedFile2)) {
free(loadedFile1);
free(loadedFile2);
lua_pushstring(state, "input 2 is not a valid fragment shader");
return lua_error(state);
}
fragmentSrc = loadedFile2;
}
} else {
if(isVertexShader(vertexSrc)) {
// nothing required
} else if(isSingleFragmentShader(vertexSrc)) {
fragmentSrc = vertexSrc;
vertexSrc = NULL;
} else {
// TODO
int loadedFile1Size = filesystem_read(vertexSrc, &loadedFile1);
(void) loadedFile1Size;
if(!loadedFile1) {
lua_pushstring(state, "could not open file");
return lua_error(state);
}
if(isSingleFragmentShader(loadedFile1)) {
fragmentSrc = loadedFile1;
vertexSrc = NULL;
} else if(isVertexShader(loadedFile1)) {
vertexSrc = loadedFile1;
fragmentSrc = NULL;
} else {
free(loadedFile1);
lua_pushstring(state, "input is not a valid shader");
return lua_error(state);
}
}
}
l_graphics_Shader * shader = lua_newuserdata(state, sizeof(l_graphics_Shader));
graphics_ShaderCompileStatus status = graphics_Shader_new(&shader->shader, vertexSrc, fragmentSrc);
if(status != graphics_ShaderCompileStatus_okay) {
pushShaderInfoLog(state, &shader->shader);
return lua_error(state);
}
lua_rawgeti(state, LUA_REGISTRYINDEX, moduleData.shaderMT);
lua_setmetatable(state, -2);
free(loadedFile1);
free(loadedFile2);
int const textureUnits = shader->shader.textureUnitCount;
shader->referencedTextures = malloc(textureUnits * sizeof(int));
for(int i = 0; i < textureUnits; ++i) {
shader->referencedTextures[i] = LUA_NOREF;
}
return 1;
}
static int l_filesystem_exists(lua_State* state)
{
const char* filename = l_tools_toStringOrError(state, 1);
return filesystem_exists(filename);
}
static int l_system_setClipboardText(lua_State* state)
{
const char* text = l_tools_toStringOrError(state, 1);
system_setClipboardText(text);
return 0;
}
static int l_geometry_vertex(lua_State* state) {
const char* type = l_tools_toStringOrError(state, 1);
float x = l_tools_toNumberOrError(state, 2);
float y = l_tools_toNumberOrError(state, 3);
int _i = 0;
int count = 1;
if (lua_tonumber(state, 5))
count = luaL_checknumber(state, 5);
int dataSize = sizeof(int) * count;
if(moduleData.currentDataSize < dataSize){
free(moduleData.vertices);
moduleData.vertices = (int*)malloc(dataSize);
moduleData.currentDataSize = dataSize;
}
if(moduleData.vertices == 0)
printf("Error: Could not allocate memory for l_geometry_vertex \n");
//Check if we need to draw points of lines
if (lua_istable(state, 4)) { //in this case draw lines
// Push another reference to the table on top of the stack (so we know
// where it is, and this function can work for negative, positive and
// pseudo indices
lua_pushvalue(state, 4);
// stack now contains: -1 => table
lua_pushnil(state);
// stack now contains: -1 => nil; -2 => table
while (lua_next(state, -2))
{
// stack now contains: -1 => value; -2 => key; -3 => table
// copy the key so that lua_tostring does not modify the original
lua_pushvalue(state, -2);
// stack now contains: -1 => key; -2 => value; -3 => key; -4 => table
const char *key = lua_tostring(state, -1);
const char * value = lua_tostring(state, -2);
int v = atoi(value);
int i = atoi(key);
//Put the key and the value of the table into an array
moduleData.vertices[_i] = v; // second insert the value of the key
_i ++;
// pop value + copy of key, leaving original key
lua_pop(state, 2);
// stack now contains: -1 => key; -2 => table
}
// stack now contains: -1 => table (when lua_next returns 0 it pops the key
// but does not push anything.)
// Pop table
lua_pop(state, 1);
// Stack is now the same as it was on entry to this function
}
if (strncmp(type,"line",4) == 0)
graphics_geometry_vertex(0,x,y,moduleData.vertices,count);
else if (strncmp(type, "fill",4) == 0)
graphics_geometry_vertex(1,x,y,moduleData.vertices,count);
//free(vertices);
return 1;
}
static int l_filesystem_remove(lua_State* state) {
char const* file = l_tools_toStringOrError(state, 1);
filesystem_remove(file);
return 0;
}
