Merge pull request #5 from CrystalPointA4/heightmap

Heightmap implemented
This commit is contained in:
2016-05-25 11:53:02 +02:00
12 changed files with 167 additions and 23 deletions
+8 -11
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@@ -29,7 +29,7 @@ void CrystalJohan::draw()
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(70, width / (float)height, 0.1f, 100);
gluPerspective(70, width / (float)height, 0.1f, 15000);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
@@ -52,11 +52,7 @@ void CrystalJohan::draw()
glEnd();
glutSwapBuffers();
}
@@ -78,14 +74,15 @@ void CrystalJohan::update()
if (world->player.rotation.x < -90)
world->player.rotation.x = -90;
float speed = 20;
Vec3f oldPosition = world->player.position;
if (keyboardState.keys['a']) world->player.setPosition(0, deltaTime, false);
if (keyboardState.keys['d']) world->player.setPosition(180, deltaTime, false);
if (keyboardState.keys['w']) world->player.setPosition(90, deltaTime, false);
if (keyboardState.keys['s']) world->player.setPosition(270, deltaTime, false);
if (keyboardState.keys['q']) world->player.setPosition(1, deltaTime, true);
if (keyboardState.keys['e']) world->player.setPosition(-1, deltaTime, true);
if (keyboardState.keys['a']) world->player.setPosition(0, deltaTime*speed, false);
if (keyboardState.keys['d']) world->player.setPosition(180, deltaTime*speed, false);
if (keyboardState.keys['w']) world->player.setPosition(90, deltaTime*speed, false);
if (keyboardState.keys['s']) world->player.setPosition(270, deltaTime*speed, false);
if (keyboardState.keys['q']) world->player.setPosition(1, deltaTime*speed, true);
if (keyboardState.keys['e']) world->player.setPosition(-1, deltaTime*speed, true);
if (!world->isPlayerPositionValid())
world->player.position = oldPosition;
+2
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@@ -156,6 +156,7 @@
<ClCompile Include="CrystalJohan.cpp" />
<ClCompile Include="Enemy.cpp" />
<ClCompile Include="Entity.cpp" />
<ClCompile Include="HeightMap.cpp" />
<ClCompile Include="json.cpp" />
<ClCompile Include="LevelObject.cpp" />
<ClCompile Include="Main.cpp" />
@@ -168,6 +169,7 @@
<ClInclude Include="CrystalJohan.h" />
<ClInclude Include="Enemy.h" />
<ClInclude Include="Entity.h" />
<ClInclude Include="HeightMap.h" />
<ClInclude Include="json.h" />
<ClInclude Include="LevelObject.h" />
<ClInclude Include="Main.h" />
+6
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@@ -48,6 +48,9 @@
<ClCompile Include="json.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="HeightMap.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="CrystalJohan.h">
@@ -86,5 +89,8 @@
<ClInclude Include="json.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="HeightMap.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
</Project>
+99
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@@ -0,0 +1,99 @@
#include "HeightMap.h"
#include "stb_image.h"
#include <GL/freeglut.h>
#include <iostream>
#include <string>
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++)
{
for (int w = 0; w < width; w++)
{
int offsets[4][2] = { { 0, 0 },{ 1, 0 },{ 1, 1 },{ 0, 1 } };
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 } );
}
}
}
glGenTextures(1, &imageIndex);
glBindTexture(GL_TEXTURE_2D, imageIndex);
glTexImage2D(GL_TEXTURE_2D,
0, //level
GL_RGBA, //internal format
width, //width
height, //height
0, //border
GL_RGBA, //data format
GL_UNSIGNED_BYTE, //data type
imgData); //data
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
stbi_image_free(imgData);
}
HeightMap::~HeightMap()
{
}
void HeightMap::Draw()
{
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, imageIndex);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
//glEnableClientState(GL_COLOR_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);
glDrawArrays(GL_QUADS, 0, vertices.size());
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
//glDisableClientState(GL_COLOR_ARRAY);
//glDisableClientState(GL_NORMAL_ARRAY);
}
void HeightMap::GetHeigth(float x, float z)
{
}
void HeightMap::SetTexture(const std::string &file)
{
int bpp, width2, height2;
unsigned char* imgData = stbi_load(file.c_str(), &width2, &height2, &bpp, 4);
glBindTexture(GL_TEXTURE_2D, imageIndex);
glTexImage2D(GL_TEXTURE_2D,
0, //level
GL_RGBA, //internal format
width2, //width
height2, //height
0, //border
GL_RGBA, //data format
GL_UNSIGNED_BYTE, //data type
imgData); //data
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
stbi_image_free(imgData);
}
+37
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@@ -0,0 +1,37 @@
#pragma once
#include <string>
#include <vector>
#include <GL/freeglut.h>
class HeightMap
{
private:
int height;
int width;
GLuint imageIndex;
int scale = 1;
public:
HeightMap(const std::string &file);
~HeightMap();
void Draw();
void GetHeigth(float x, float z);
void SetTexture(const std::string &file);
struct Vertex {
float x;
float y;
float z;
float normalX;
float normalY;
float normalZ;
float texX;
float texY;
};
std::vector<Vertex> vertices;
};
+7 -9
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@@ -11,9 +11,13 @@ World::World() : player(Player::getInstance())
std::ifstream file("worlds/world1.json");
if(!file.is_open())
std::cout<<"Uhoh, can't open file\n";
json::Value v = json::readJson(file);
std::cout<<v;
file.close();
heightmap = new HeightMap(v["world"]["heightmap"].asString());
heightmap->SetTexture(v["world"]["texture"].asString());
player.position.x = v["player"]["startposition"][0];
player.position.y = v["player"]["startposition"][1];
player.position.z = v["player"]["startposition"][2];
@@ -51,14 +55,8 @@ void World::draw()
float lightAmbient[4] = { 0.5, 0.5, 0.5, 1 };
glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient);
glColor3f(0.5f, 0.9f, 0.5f);
glNormal3f(0, 1, 0);
glBegin(GL_QUADS);
glVertex3f(-50, 0, -50);
glVertex3f(-50, 0, 50);
glVertex3f(50, 0, 50);
glVertex3f(50, 0, -50);
glEnd();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
heightmap->Draw();
for (auto e : entities)
e->draw();
+2
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@@ -1,6 +1,7 @@
#pragma once
#include <vector>
#include "HeightMap.h"
#include "Player.h"
class Entity;
@@ -14,6 +15,7 @@ public:
Player& player;
std::vector<Entity*> entities;
HeightMap* heightmap;
void draw();
void update(float elapsedTime);
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+6 -3
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@@ -1,12 +1,15 @@
{
"world": {
"heightmap": "worlds/hmcs.png",
"texture": "worlds/hmcstexture.png"
},
"player": {
"startposition": [ 0, 1.7, 0 ]
"startposition": [ -100, 1.7, -100 ]
},
"objects": [
{
"file": "models/boom/Boom.obj",
"pos": [ 0, 0, -4 ],
"rot": [ 0, 20, 0 ]
"pos": [ 0, 0, -4 ]
},
{
"file": "models/boom/Boom.obj",