From b6ee2b7c296abcfff1ae7f7ac4db976dc4d6fd8e Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Wed, 9 Sep 2015 21:04:08 -0400
Subject: world gen

---
 include/World.h | 16 +++++++---------
 src/World.cpp   | 57 +++++++++++++++++++++++++--------------------------------
 src/main.cpp    |  8 +++-----
 3 files changed, 35 insertions(+), 46 deletions(-)

diff --git a/include/World.h b/include/World.h
index 4a097a6..212fe38 100644
--- a/include/World.h
+++ b/include/World.h
@@ -2,21 +2,19 @@
 #define WORLD_H
 
 #include <common.h>
-#include <cstring>
 
-#define LAYER0_Y (-0.8f)
-#define TEX_SIZE ( 0.2f)
+#define HLINE (2.0f/ 200 )
 
 class World {
 private:
-	struct layer_t {
-		unsigned int tex;
-		float offset; 
-	} layer[4];
+	struct line_t {
+		// x = 2.0 (window width) / HLINES
+		float start; // Where to change to dirt, going down (y)
+	} *line;
+	unsigned int lineCount;
 public:
-	World(const char *l1,const char *l2,const char *l3,const char *bg);
+	World(float width);
 	void draw(void);
-	void update(int player_accel);
 };
 
 #endif // WORLD_H
diff --git a/src/World.cpp b/src/World.cpp
index feeeb1f..3d8cfb7 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -1,38 +1,31 @@
 #include <World.h>
 
-World::World(const char *l1,const char *l2,const char *l3,const char *bg){
-	unsigned char i=0;
-	SDL_Surface *l;
-	const char *f[4]={l1,l2,l3,bg};
-	memset(layer,0,sizeof(struct layer_t)*4);
-	for(;i<4;i++){
-		l=IMG_Load(f[i]);
-		if(l!=NULL){
-			glGenTextures(1,&layer[i].tex);
-			glBindTexture(GL_TEXTURE_2D,layer[i].tex);
-			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
-			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
-			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE);
-			glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE);
-			glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,l->w,l->h,0,GL_RGB,GL_UNSIGNED_BYTE,l->pixels);
-			SDL_FreeSurface(l);
-		}
+World::World(float width){
+	unsigned int i;
+	lineCount=width/HLINE;
+	if((line=(struct line_t *)calloc(lineCount,sizeof(struct line_t)))==NULL){
+		std::cout<<"Failed to allocate memory!"<<std::endl;
+		abort();
+	}
+	line[0].start=(rand()%100)/100.0f-1; // lazy
+	for(i=1;i<lineCount;i++){
+		line[i].start=line[i-1].start+(float)((rand()%20)-10)/1000.0f;
 	}
 }
 void World::draw(void){
-	int i;
-	float x;
-	glEnable(GL_TEXTURE_2D);
-	for(i=2;i>=0;i--){
-		glBindTexture(GL_TEXTURE_2D,layer[i].tex);
-		glBegin(GL_QUADS);
-			for(x=-1;x<=1;x+=(TEX_SIZE/(float)(i+1))){
-				glTexCoord2d(1,1);glVertex2f(x   	   ,LAYER0_Y-TEX_SIZE+(i*.2));
-				glTexCoord2d(0,1);glVertex2f(x+TEX_SIZE,LAYER0_Y-TEX_SIZE+(i*.2));
-				glTexCoord2d(0,0);glVertex2f(x+TEX_SIZE,LAYER0_Y			+(i*.2));
-				glTexCoord2d(1,0);glVertex2f(x		   ,LAYER0_Y			+(i*.2));
-			}
-		glEnd();
-	}
-	glDisable(GL_TEXTURE_2D);
+	unsigned int i;
+	glBegin(GL_QUADS);
+		for(i=0;i<lineCount;i++){
+			glColor3ub(0,255,0);
+			glVertex2f((HLINE*i)-1      ,line[i].start);
+			glVertex2f((HLINE*i)-1+HLINE,line[i].start);
+			glVertex2f((HLINE*i)-1+HLINE,line[i].start-0.02);
+			glVertex2f((HLINE*i)-1      ,line[i].start-0.02);
+			glColor3ub(150,100,50);
+			glVertex2f((HLINE*i)-1      ,line[i].start-0.02);
+			glVertex2f((HLINE*i)-1+HLINE,line[i].start-0.02);
+			glVertex2f((HLINE*i)-1+HLINE,-1);
+			glVertex2f((HLINE*i)-1      ,-1);
+		}
+	glEnd();
 }
diff --git a/src/main.cpp b/src/main.cpp
index 61920e7..cb93ff4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,5 @@
 #include <common.h>
+#include <ctime>
 
 SDL_Window    *window = NULL;
 SDL_Surface   *renderSurface = NULL;
@@ -39,7 +40,7 @@ int main(int argc,char **argv){
 		std::cout << "SDL was not able to initialize! Error: " << SDL_GetError() << std::endl;
 		return -1;
 	}
-	
+	srand(time(NULL));
 	glClearColor(.3,.5,.8,0);
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
@@ -48,10 +49,7 @@ int main(int argc,char **argv){
 	****     GAMELOOP      ****
 	**************************/
 	
-	World *w=new World("res/dirt.jpg",
-					   "res/dirt.jpg",
-					   "res/dirt.jpg",
-					   "res/dirt.jpg");
+	World *w=new World(2);
 	
 	while(gameRunning){
 		ui.handleEvents();								// Handle events
-- 
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