Added initial files.

src/text.c

@@ -0,0 +1,102 @@
+#include "main.h"
+#include "state.h"
+#include "text.h"
+#include "lua_core.h"
+
+static void checkFontRealloc( int i ) {
+	if ( i == state->fontCount ) {
+		state->fontCount++;
+	}
+
+	if ( state->fontCount == state->fontAlloc ) {
+		state->fontAlloc += ALLOC_PAGE_SIZE;
+		state->fonts = realloc( state->fonts, state->fontAlloc * sizeof( Font* ) );
+
+		for ( i = state->fontCount; i < state->fontAlloc; i++ ) {
+			state->fonts[i] = NULL;
+		}
+	}
+}
+
+bool validFont( size_t id ) {
+	if ( id < 0 || state->fontCount < id || state->fonts[ id ] == NULL ) {
+		TraceLog( LOG_WARNING, "%s %d", "Invalid font", id );
+		return false;
+	}
+	else {
+		return true;
+	}
+}
+
+/*
+## Text - Loading
+*/
+
+/*
+> font = RL_LoadFont( string fileName )
+
+Load font from file into GPU memory ( VRAM )
+
+- Failure return -1
+- Success return int
+*/
+int lmodelsLoadFont( lua_State *L ) {
+	if ( !lua_isstring( L, -1 ) ) {
+		TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadFont( string fileName )" );
+		lua_pushinteger( L, -1 );
+		return 1;
+	}
+	int i = 0;
+
+	for ( i = 0; i < state->fontCount; i++ ) {
+		if ( state->fonts[i] == NULL ) {
+			break;
+		}
+	}
+	state->fonts[i] = malloc( sizeof( Font ) );
+	*state->fonts[i] = LoadFont( lua_tostring( L, -1 ) );
+	lua_pushinteger( L, i );
+	checkFontRealloc( i );
+
+	return 1;
+}
+
+/*
+## Text - Draw
+*/
+
+/*
+> success = RL_DrawText( Font font, string text, Vector2 position, float fontSize, float spacing, Color tint )
+
+Draw text using font and additional parameters
+
+- Failure return false
+- Success return true
+*/
+int ltextDrawText( lua_State *L ) {
+	if ( !lua_isnumber( L, -6 ) || !lua_isstring( L, -5 ) || !lua_istable( L, -4 )
+	|| !lua_isnumber( L, -3 ) || !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) {
+		TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_DrawText( Font font, string text, Vector2 position, float fontSize, float spacing, Color tint )" );
+		lua_pushboolean( L, false );
+		return 1;
+	}
+	Color color = uluaGetColor( L );
+	lua_pop( L, 1 );
+	float spacing = lua_tonumber( L, -1 );
+	lua_pop( L, 1 );
+	float fontSize = lua_tonumber( L, -1 );
+	lua_pop( L, 1 );
+	Vector2 position = uluaGetVector2( L );
+	lua_pop( L, 1 );
+	size_t fontId = lua_tointeger( L, -2 );
+
+	if ( !validFont( fontId ) ) {
+		lua_pushboolean( L, false );
+		return 1;
+	}
+	
+	DrawTextEx( *state->fonts[ fontId ], lua_tostring( L, -1 ), position, fontSize, spacing, color );
+	lua_pushboolean( L, true );
+
+	return 1;
+}