Lord and Savior Johan

Entity.cpp

@@ -21,15 +21,18 @@ Entity::~Entity()
 
 void Entity::draw()
 {
+	rotation.y += 1;
 	if (model)
 	{
 		glPushMatrix();
 
+
 		glTranslatef(position.x, position.y, position.z);
 		glRotatef(rotation.x, 1, 0, 0);
 		glRotatef(rotation.y, 0, 1, 0);
 		glRotatef(rotation.z, 0, 0, 1);
 		glScalef(scale, scale, scale);
+		glTranslatef(-model->center.x, 0, -model->center.z);
 
 		glEnable(GL_CULL_FACE);
 		glCullFace(GL_BACK);
@@ -48,8 +51,8 @@ bool Entity::inObject(const Vec3f & point)
 	if (!model)
 		return false;
 	Vec3f center = position + model->center;
-	float distance = sqrt((point.x - center.x) * (point.x - center.x) + (point.z - center.z)*(point.z - center.z));
-	if (distance < model->radius*scale)
+	float distance = ((point.x - center.x) * (point.x - center.x) + (point.z - center.z)*(point.z - center.z));
+	if (distance < model->radius*scale*model->radius*scale)
 		return true;
 	return false;
 }

HeightMap.cpp

@@ -1,5 +1,6 @@
 #include "HeightMap.h"
 #include "stb_image.h"
+#include "vector.h"
 
 #include <GL/freeglut.h>
 #include <iostream>
@@ -11,19 +12,28 @@ HeightMap::HeightMap(const std::string &file)
 	int bpp;
 	unsigned char* imgData = stbi_load(file.c_str(), &width, &height, &bpp, 4);
 
-	for (int h = 0; h < height; h++)
+	auto heightAt = [&](int x, int y)
 	{
-		for (int w = 0; w < width; w++)
+		return (imgData[(x + y * width) * 4] / 256.0f) * 100.0f;
+	};
+
+	for (int y = 0; y < height-1; y++)
+	{
+		for (int x = 0; x < width-1; x++)
 		{
 			int offsets[4][2] = { { 0, 0 },{ 1, 0 },{ 1, 1 },{ 0, 1 } };
+			Vec3f ca(0, heightAt(x, y + 1) - heightAt(x, y), 1);
+			Vec3f ba(1, heightAt(x + 1, y) - heightAt(x, y), 0);
+
+			Vec3f normal = ca.cross(ba);
+			normal.Normalize();
+
 			for (int i = 0; i < 4; i++)
 			{
-				float y = ((float)imgData[((h + offsets[i][0]) + (w + offsets[i][1]) * width) * 4]);
-				y = (y / 256.0f) * 100.0f;
-
-				vertices.push_back(Vertex{ (float)(h + offsets[i][0])*scale, y*scale, (float)(w + offsets[i][1])*scale,
-									0, 1, 0,
-									(h + offsets[i][0]) / (float)height, (w + offsets[i][1]) / (float)width } );
+				float h = heightAt(x + offsets[i][0], y + offsets[i][1]);
+				vertices.push_back(Vertex{ (float)(x + offsets[i][0])*scale, h*scale, (float)(y + offsets[i][1])*scale,
+									normal.x, normal.y, normal.z,
+									(x + offsets[i][0]) / (float)height, (y + offsets[i][1]) / (float)width } );
 			}
 		}
 	}
@@ -48,31 +58,51 @@ HeightMap::HeightMap(const std::string &file)
 
 HeightMap::~HeightMap()
 {
+	glDeleteTextures(1, &imageIndex);
 }
 
 void HeightMap::Draw()
 {
+	glEnable(GL_LIGHTING);
+	float color[] = { 0.7f, 0.7f, 0.7f, 1 };
+	glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color);
+	glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color);
+
 	glEnable(GL_TEXTURE_2D);
 	glBindTexture(GL_TEXTURE_2D, imageIndex);
 
+	//glDisable(GL_TEXTURE_2D);
+
+
 	glEnableClientState(GL_VERTEX_ARRAY);
 	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 	//glEnableClientState(GL_COLOR_ARRAY);
-	//glEnableClientState(GL_NORMAL_ARRAY);
+	glEnableClientState(GL_NORMAL_ARRAY);
 
 	glVertexPointer(3, GL_FLOAT, sizeof(Vertex), ((float*)vertices.data()) + 0);
 	glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), ((float*)vertices.data()) + 6);
-	//glNormalPointer(GL_FLOAT, sizeof(Vertex), ((float*)cubeVertices.data()) + 3);
+	glNormalPointer(GL_FLOAT, sizeof(Vertex), ((float*)vertices.data()) + 3);
 	glDrawArrays(GL_QUADS, 0, vertices.size());
 
 	glDisableClientState(GL_VERTEX_ARRAY);
 	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 	//glDisableClientState(GL_COLOR_ARRAY);
-	//glDisableClientState(GL_NORMAL_ARRAY);
+	glDisableClientState(GL_NORMAL_ARRAY);
 }
 
-void HeightMap::GetHeigth(float x, float z)
+void HeightMap::GetHeigth(float x, float y)
 {
+	x /= scale;
+	y /= scale;
+	int ix = x;
+	int iy = y;
+
+	int index = (ix + (width - 1) * iy) * 4;
+
+	Vertex& a = vertices[index];
+	Vertex& b = vertices[index+1];
+	Vertex& c = vertices[index+3];
+	//http://stackoverflow.com/questions/36090269/finding-height-of-point-on-height-map-triangles
 
 }
 

Model.cpp

@@ -160,6 +160,9 @@ void Model::Optimise(ObjGroup *t)
 
 void Model::draw()
 {
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glEnableClientState(GL_NORMAL_ARRAY);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 	for (auto &g : groups)
 	{
 		if (materials[g->materialIndex]->hasTexture)
@@ -190,19 +193,14 @@ void Model::draw()
 			}
 		}
 
-		glEnableClientState(GL_VERTEX_ARRAY);
-		glEnableClientState(GL_NORMAL_ARRAY);
-		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-
 		glVertexPointer(3, GL_FLOAT, sizeof(Vertex), ((float*)g->VertexArray.data()) + 0);
 		glNormalPointer(GL_FLOAT, sizeof(Vertex), ((float*)g->VertexArray.data()) + 3);
 		glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), ((float*)g->VertexArray.data()) + 6);
 		glDrawArrays(GL_TRIANGLES, 0, g->VertexArray.size());
-
-		glDisableClientState(GL_VERTEX_ARRAY);
-		glDisableClientState(GL_NORMAL_ARRAY);
-		glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 	}
+	glDisableClientState(GL_VERTEX_ARRAY);
+	glDisableClientState(GL_NORMAL_ARRAY);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 }
 
 void Model::loadMaterialFile(std::string fileName, std::string dirName)

Vector.cpp

@@ -80,6 +80,15 @@ bool Vec3f::operator!=(const Vec3f & other)
 	return x != other.x & y != other.y & z != other.z;
 }
 
+Vec3f Vec3f::cross(const Vec3f & other)
+{
+	return Vec3f(
+		y*other.z - other.y*z,
+		z*other.x - other.z*x,
+		x*other.y - other.x*y
+		);
+}
+
 
 
 Vec2f::Vec2f(float x, float y)

Vector.h

@@ -23,6 +23,9 @@ public:
 	Vec3f operator / (float value);
 	bool operator ==(const Vec3f &other);
 	bool operator !=(const Vec3f &other);
+
+	Vec3f cross(const Vec3f &other);
+
 };
 
 class Vec2f

World.cpp

@@ -3,6 +3,7 @@
 #include "Entity.h"
 #include "LevelObject.h"
 #include "json.h"
+#include "Model.h"
 #include <fstream>
 #include <iostream>
 
@@ -82,6 +83,7 @@ World::World(const std::string &fileName)
 
 World::~World()
 {
+	delete heightmap;
 }
 
 void World::draw()
@@ -129,7 +131,10 @@ void World::update(float elapsedTime)
 			{
 				if (e->canCollide && e->inObject(enemy->position))
 				{
-					enemy->position = oldpos;
+					Vec3f difference = e->position - enemy->position; //zou misschien omgedraait moeten worden
+					difference.Normalize();
+					//difference = difference * (e->model->radius + 0.01f);
+					enemy->position = e->position + difference;
 					break;
 				}
 			}

worlds/fire.json

@@ -1,7 +1,17 @@
 {
    "world": {
       "heightmap": "worlds/hell.png",
-	  "texture": "worlds/helltexture.png"
+	  "texture": "worlds/helltexture.png",
+	  "object-templates": [
+			{
+				"color": 25,
+				"file": "models/boom/Boom.obj"
+			},
+			{
+				"color": 23,
+				"file": "models/boom/Boom.obj"
+			}
+	  ]
    },
   "player": {
     "startposition": [ 100, 1.7, 100 ]