forgot stuff

1 files changed, 103 insertions, 0 deletions

diff --git a/src/ui.cpp b/src/ui.cpp
new file mode 100644
index 0000000..d7aabc0
--- /dev/null
+++ b/src/ui.cpp
@@ -0,0 +1,103 @@
+#include <ui.h>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#define SDL_KEY e.key.keysym.sym
+
+extern Player *player;
+
+static FT_Library   ftl;
+static FT_Face      ftf;
+static GLuint       ftex;
+static unsigned int fontSize;
+
+namespace ui {
+	void initFonts(void){
+		if(FT_Init_FreeType(&ftl)){
+			std::cout<<"Error! Couldn't initialize freetype."<<std::endl;
+			abort();
+		}
+	}
+	void setFontFace(const char *ttf){
+		if(FT_New_Face(ftl,ttf,0,&ftf)){
+			std::cout<<"Error! Couldn't open "<<ttf<<"."<<std::endl;
+			abort();
+		}	
+	}
+	void setFontSize(unsigned int size){
+		fontSize=size;
+		FT_Set_Pixel_Sizes(ftf,0,fontSize);
+	}
+	void putString(const float x,const float y,const char *s){
+		unsigned int i=0,j;
+		float xo=x,yo=y,w,h;
+		char *buf;
+		do{
+			if(FT_Load_Char(ftf,s[i],FT_LOAD_RENDER)){
+				std::cout<<"Error! Unsupported character "<<s[i]<<" ("<<(int)s[i]<<")."<<std::endl;
+				return;
+			}
+			glActiveTexture(GL_TEXTURE0);
+			glGenTextures(1,&ftex);
+			glBindTexture(GL_TEXTURE_2D,ftex);
+			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE);
+			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE);
+			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
+			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
+			glPixelStorei(GL_UNPACK_ALIGNMENT,1);
+			buf=(char *)malloc(ftf->glyph->bitmap.width*ftf->glyph->bitmap.rows*4);
+			for(j=0;j<ftf->glyph->bitmap.width*ftf->glyph->bitmap.rows;j++){
+				buf[j*4]=255;
+				buf[j*4+1]=255;
+				buf[j*4+2]=255;
+				buf[j*4+3]=ftf->glyph->bitmap.buffer[j]?255:0;
+			}
+			glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,ftf->glyph->bitmap.width,ftf->glyph->bitmap.rows,0,GL_RGBA,GL_UNSIGNED_BYTE,buf);
+			w=ftf->glyph->bitmap.width;
+			h=ftf->glyph->bitmap.rows;
+			glEnable(GL_TEXTURE_2D);
+			glBindTexture(GL_TEXTURE_2D,ftex);
+			glBegin(GL_QUADS);
+				glColor3ub(255,255,255);
+				glTexCoord2f(0,1);glVertex2f(xo,yo);
+				glTexCoord2f(1,1);glVertex2f(xo+w,yo);
+				glTexCoord2f(1,0);glVertex2f(xo+w,yo+h);
+				glTexCoord2f(0,0);glVertex2f(xo,yo+h);
+			glEnd();
+			glDisable(GL_TEXTURE_2D);
+			xo+=w;
+			free(buf);
+		}while(s[i++]);
+	}
+	void putText(const float x,const float y,const char *str,...){
+		va_list args;
+		char *buf;
+		buf=(char *)calloc(128,sizeof(char));
+		va_start(args,str);
+		vsnprintf(buf,128,str,args);
+		va_end(args);
+		putString(x,y,buf);
+		free(buf);
+	}
+	void handleEvents(void){
+		SDL_Event e;
+		while(SDL_PollEvent(&e)){
+			switch(e.type){
+			case SDL_QUIT:
+				gameRunning=false;
+				break;
+			case SDL_KEYDOWN:
+				if(SDL_KEY==SDLK_ESCAPE)gameRunning=false;
+				if(SDL_KEY==SDLK_a)player->vel.x=-2;
+				else if(SDL_KEY==SDLK_d)player->vel.x=2;
+				break;
+			case SDL_KEYUP:
+				if(SDL_KEY==SDLK_a)player->vel.x=0;
+				else if(SDL_KEY==SDLK_d)player->vel.x=0;
+				break;
+			default:
+				break;
+			}
+		}
+	}
+}