Spawn objects from file

HeightMap.cpp

@@ -2,12 +2,19 @@
 #include "stb_image.h"
 #include "vector.h"
 
+#include "LevelObject.h"
+
 #include <GL/freeglut.h>
 #include <iostream>
 #include <string>
+#include "World.h"
 
+#define RED 0
+#define GREEN 1
+#define BLUE 2
+#define ALPHA 3
 
-HeightMap::HeightMap(const std::string &file, float scale)
+HeightMap::HeightMap(const std::string &file, float scale, World* world)
 {
 	this->scale = scale;
 
@@ -16,7 +23,12 @@ HeightMap::HeightMap(const std::string &file, float scale)
 
 	auto heightAt = [&](int x, int y)
 	{
-		return (imgData[(x + y * width) * 4] / 256.0f) * 100.0f;
+		return (imgData[(x + y * width) * 4 ] / 256.0f) * 100.0f;
+	};
+
+	auto valueAt = [&](int x, int y, int offset = 0)
+	{
+		return imgData[(x + y * width) * 4 + offset];
 	};
 
 	for (int y = 0; y < height-1; y++)
@@ -27,6 +39,11 @@ HeightMap::HeightMap(const std::string &file, float scale)
 			Vec3f ca(0, heightAt(x, y + 1) - heightAt(x, y), 1);
 			Vec3f ba(1, heightAt(x + 1, y) - heightAt(x, y), 0);
 
+			if (valueAt(x, y, GREEN) > 0)
+			{
+				world->addLevelObject(new LevelObject(world->getObjectFromValue(valueAt(x, y, GREEN)), Vec3f(x*scale, heightAt(x, y), y*scale), Vec3f(0, rand()%360, 0), 1, true));
+			}
+
 			Vec3f normal = ca.cross(ba);
 			normal.Normalize();