490 lines
14 KiB
C++
490 lines
14 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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#include "app/system.h"
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#include "common/config.h"
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#include "common/logger.h"
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#include "common/image.h"
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#include "graphics/opengl/gldevice.h"
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#include "math/geometry.h"
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#include <SDL.h>
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#include <SDL_image.h>
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#include <unistd.h>
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#include <iostream>
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#include <map>
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enum KeySlots
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{
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K_Forward,
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K_Back,
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K_Left,
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K_Right,
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K_Up,
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K_Down,
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K_Count
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};
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bool KEYMAP[K_Count] = { false };
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Math::Point MOUSE_POS_BASE;
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Math::Vector TRANSLATION(0.0f, 2.0f, 0.0f);
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Math::Vector ROTATION, ROTATION_BASE;
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float CUBE_ORBIT = 0.0f;
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const int FRAME_DELAY = 5000;
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SystemTimeStamp *PREV_TIME = NULL, *CURR_TIME = NULL;
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void Init(Gfx::CGLDevice *device)
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{
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device->SetRenderState(Gfx::RENDER_STATE_DEPTH_TEST, true);
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device->SetShadeModel(Gfx::SHADE_SMOOTH);
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}
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void Render(Gfx::CGLDevice *device)
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{
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device->BeginScene();
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/* Unlit part of scene */
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device->SetRenderState(Gfx::RENDER_STATE_LIGHTING, false);
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device->SetRenderState(Gfx::RENDER_STATE_CULLING, false); // Double-sided drawing
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Math::Matrix persp;
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Math::LoadProjectionMatrix(persp, Math::PI / 4.0f, (800.0f) / (600.0f), 0.1f, 50.0f);
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device->SetTransform(Gfx::TRANSFORM_PROJECTION, persp);
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Math::Matrix viewMat;
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Math::Matrix mat;
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viewMat.LoadIdentity();
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Math::LoadRotationXMatrix(mat, -ROTATION.x);
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viewMat = Math::MultiplyMatrices(viewMat, mat);
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Math::LoadRotationYMatrix(mat, -ROTATION.y);
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viewMat = Math::MultiplyMatrices(viewMat, mat);
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Math::LoadTranslationMatrix(mat, -TRANSLATION);
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viewMat = Math::MultiplyMatrices(viewMat, mat);
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device->SetTransform(Gfx::TRANSFORM_VIEW, viewMat);
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Math::Matrix worldMat;
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worldMat.LoadIdentity();
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device->SetTransform(Gfx::TRANSFORM_WORLD, worldMat);
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Gfx::VertexCol line[2] = {};
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for (int x = -40; x <= 40; ++x)
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{
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line[0].color = Gfx::Color(0.7f + x / 120.0f, 0.0f, 0.0f);
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line[0].coord.z = -40;
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line[0].coord.x = x;
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line[1].color = Gfx::Color(0.7f + x / 120.0f, 0.0f, 0.0f);
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line[1].coord.z = 40;
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line[1].coord.x = x;
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device->DrawPrimitive(Gfx::PRIMITIVE_LINES, line, 2);
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}
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for (int z = -40; z <= 40; ++z)
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{
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line[0].color = Gfx::Color(0.0f, 0.7f + z / 120.0f, 0.0f);
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line[0].coord.z = z;
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line[0].coord.x = -40;
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line[1].color = Gfx::Color(0.0f, 0.7f + z / 120.0f, 0.0f);
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line[1].coord.z = z;
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line[1].coord.x = 40;
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device->DrawPrimitive(Gfx::PRIMITIVE_LINES, line, 2);
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}
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Gfx::VertexCol quad[6] = {};
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quad[0].coord = Math::Vector(-1.0f, -1.0f, 0.0f);
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quad[1].coord = Math::Vector( 1.0f, -1.0f, 0.0f);
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quad[2].coord = Math::Vector(-1.0f, 1.0f, 0.0f);
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quad[3].coord = Math::Vector( 1.0f, 1.0f, 0.0f);
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for (int i = 0; i < 6; ++i)
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quad[i].color = Gfx::Color(1.0f, 1.0f, 0.0f);
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Math::LoadTranslationMatrix(worldMat, Math::Vector(40.0f, 2.0f, 40.0f));
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device->SetTransform(Gfx::TRANSFORM_WORLD, worldMat);
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device->DrawPrimitive(Gfx::PRIMITIVE_TRIANGLE_STRIP, quad, 4);
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for (int i = 0; i < 6; ++i)
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quad[i].color = Gfx::Color(0.0f, 1.0f, 1.0f);
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Math::LoadTranslationMatrix(worldMat, Math::Vector(-40.0f, 2.0f, -40.0f));
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device->SetTransform(Gfx::TRANSFORM_WORLD, worldMat);
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int planes = device->ComputeSphereVisibility(Math::Vector(0.0f, 0.0f, 0.0f), 1.0f);
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printf("Planes:");
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if (planes == 0)
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printf(" (none)");
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if (planes & Gfx::FRUSTUM_PLANE_LEFT)
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printf(" LEFT");
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if (planes & Gfx::FRUSTUM_PLANE_RIGHT)
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printf(" RIGHT");
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if (planes & Gfx::FRUSTUM_PLANE_BOTTOM)
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printf(" BOTTOM");
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if (planes & Gfx::FRUSTUM_PLANE_TOP)
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printf(" TOP");
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if (planes & Gfx::FRUSTUM_PLANE_FRONT)
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printf(" FRONT");
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if (planes & Gfx::FRUSTUM_PLANE_BACK)
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printf(" BACK");
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printf("\n");
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device->DrawPrimitive(Gfx::PRIMITIVE_TRIANGLE_STRIP, quad, 4);
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for (int i = 0; i < 6; ++i)
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quad[i].color = Gfx::Color(1.0f, 0.0f, 1.0f);
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Math::LoadTranslationMatrix(worldMat, Math::Vector(10.0f, 4.5f, 5.0f));
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device->SetTransform(Gfx::TRANSFORM_WORLD, worldMat);
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device->DrawPrimitive(Gfx::PRIMITIVE_TRIANGLE_STRIP, quad, 4);
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/* Moving lit cube */
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device->SetRenderState(Gfx::RENDER_STATE_LIGHTING, true);
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device->SetRenderState(Gfx::RENDER_STATE_CULLING, true); // Culling (CCW faces)
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device->SetGlobalAmbient(Gfx::Color(0.4f, 0.4f, 0.4f));
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Gfx::Light light1;
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light1.type = Gfx::LIGHT_POINT;
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light1.position = Math::Vector(10.0f, 4.5f, 5.0f);
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light1.ambient = Gfx::Color(0.2f, 0.2f, 0.2f);
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light1.diffuse = Gfx::Color(1.0f, 0.1f, 0.1f);
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light1.specular = Gfx::Color(0.0f, 0.0f, 0.0f);
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device->SetLight(0, light1);
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device->SetLightEnabled(0, true);
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/*Gfx::Light light2;
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device->SetLight(1, light2);
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device->SetLightEnabled(1, true);*/
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Gfx::Material material;
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material.ambient = Gfx::Color(0.3f, 0.3f, 0.3f);
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material.diffuse = Gfx::Color(0.8f, 0.7f, 0.6f);
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material.specular = Gfx::Color(0.0f, 0.0f, 0.0f);
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device->SetMaterial(material);
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const Gfx::Vertex cube[6][4] =
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{
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{
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// Front
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Gfx::Vertex(Math::Vector(-1.0f, -1.0f, -1.0f), Math::Vector( 0.0f, 0.0f, -1.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, -1.0f, -1.0f), Math::Vector( 0.0f, 0.0f, -1.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, 1.0f, -1.0f), Math::Vector( 0.0f, 0.0f, -1.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, 1.0f, -1.0f), Math::Vector( 0.0f, 0.0f, -1.0f))
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},
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{
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// Back
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Gfx::Vertex(Math::Vector( 1.0f, -1.0f, 1.0f), Math::Vector( 0.0f, 0.0f, 1.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, -1.0f, 1.0f), Math::Vector( 0.0f, 0.0f, 1.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, 1.0f, 1.0f), Math::Vector( 0.0f, 0.0f, 1.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, 1.0f, 1.0f), Math::Vector( 0.0f, 0.0f, 1.0f))
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},
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{
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// Top
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Gfx::Vertex(Math::Vector(-1.0f, 1.0f, -1.0f), Math::Vector( 0.0f, 1.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, 1.0f, -1.0f), Math::Vector( 0.0f, 1.0f, 0.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, 1.0f, 1.0f), Math::Vector( 0.0f, 1.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, 1.0f, 1.0f), Math::Vector( 0.0f, 1.0f, 0.0f))
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},
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{
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// Bottom
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Gfx::Vertex(Math::Vector(-1.0f, -1.0f, 1.0f), Math::Vector( 0.0f, -1.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, -1.0f, 1.0f), Math::Vector( 0.0f, -1.0f, 0.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, -1.0f, -1.0f), Math::Vector( 0.0f, -1.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, -1.0f, -1.0f), Math::Vector( 0.0f, -1.0f, 0.0f))
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},
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{
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// Left
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Gfx::Vertex(Math::Vector(-1.0f, -1.0f, 1.0f), Math::Vector(-1.0f, 0.0f, 0.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, -1.0f, -1.0f), Math::Vector(-1.0f, 0.0f, 0.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, 1.0f, 1.0f), Math::Vector(-1.0f, 0.0f, 0.0f)),
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Gfx::Vertex(Math::Vector(-1.0f, 1.0f, -1.0f), Math::Vector(-1.0f, 0.0f, 0.0f))
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},
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{
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// Right
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Gfx::Vertex(Math::Vector( 1.0f, -1.0f, -1.0f), Math::Vector( 1.0f, 0.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, -1.0f, 1.0f), Math::Vector( 1.0f, 0.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, 1.0f, -1.0f), Math::Vector( 1.0f, 0.0f, 0.0f)),
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Gfx::Vertex(Math::Vector( 1.0f, 1.0f, 1.0f), Math::Vector( 1.0f, 0.0f, 0.0f))
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}
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};
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Math::Matrix cubeTrans;
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Math::LoadTranslationMatrix(cubeTrans, Math::Vector(10.0f, 2.0f, 5.0f));
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Math::Matrix cubeRot;
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Math::LoadRotationMatrix(cubeRot, Math::Vector(0.0f, 1.0f, 0.0f), CUBE_ORBIT);
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Math::Matrix cubeRotInv;
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Math::LoadRotationMatrix(cubeRotInv, Math::Vector(0.0f, 1.0f, 0.0f), -CUBE_ORBIT);
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Math::Matrix cubeTransRad;
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Math::LoadTranslationMatrix(cubeTransRad, Math::Vector(0.0f, 0.0f, 6.0f));
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worldMat = Math::MultiplyMatrices(cubeTransRad, cubeRotInv);
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worldMat = Math::MultiplyMatrices(cubeRot, worldMat);
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worldMat = Math::MultiplyMatrices(cubeTrans, worldMat);
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device->SetTransform(Gfx::TRANSFORM_WORLD, worldMat);
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for (int i = 0; i < 6; ++i)
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device->DrawPrimitive(Gfx::PRIMITIVE_TRIANGLE_STRIP, cube[i], 4);
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device->EndScene();
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}
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void Update()
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{
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const float TRANS_SPEED = 6.0f; // units / sec
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GetSystemUtils()->GetCurrentTimeStamp(CURR_TIME);
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float timeDiff = GetSystemUtils()->TimeStampDiff(PREV_TIME, CURR_TIME, STU_SEC);
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GetSystemUtils()->CopyTimeStamp(PREV_TIME, CURR_TIME);
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CUBE_ORBIT += timeDiff * (Math::PI / 4.0f);
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Math::Vector incTrans;
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if (KEYMAP[K_Forward])
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incTrans.z = +TRANS_SPEED * timeDiff;
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if (KEYMAP[K_Back])
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incTrans.z = -TRANS_SPEED * timeDiff;
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if (KEYMAP[K_Right])
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incTrans.x = +TRANS_SPEED * timeDiff;
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if (KEYMAP[K_Left])
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incTrans.x = -TRANS_SPEED * timeDiff;
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if (KEYMAP[K_Up])
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incTrans.y = +TRANS_SPEED * timeDiff;
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if (KEYMAP[K_Down])
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incTrans.y = -TRANS_SPEED * timeDiff;
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Math::Point rotTrans = Math::RotatePoint(-ROTATION.y, Math::Point(incTrans.x, incTrans.z));
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incTrans.x = rotTrans.x;
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incTrans.z = rotTrans.y;
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TRANSLATION += incTrans;
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}
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void KeyboardDown(SDLKey key)
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{
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switch (key)
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{
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case SDLK_w:
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KEYMAP[K_Forward] = true;
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break;
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case SDLK_s:
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KEYMAP[K_Back] = true;
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break;
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case SDLK_d:
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KEYMAP[K_Right] = true;
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break;
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case SDLK_a:
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KEYMAP[K_Left] = true;
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break;
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case SDLK_z:
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KEYMAP[K_Down] = true;
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break;
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case SDLK_x:
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KEYMAP[K_Up] = true;
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break;
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default:
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break;
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}
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}
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void KeyboardUp(SDLKey key)
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{
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switch (key)
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{
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case SDLK_w:
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KEYMAP[K_Forward] = false;
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break;
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case SDLK_s:
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KEYMAP[K_Back] = false;
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break;
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case SDLK_d:
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KEYMAP[K_Right] = false;
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break;
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case SDLK_a:
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KEYMAP[K_Left] = false;
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break;
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case SDLK_z:
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KEYMAP[K_Down] = false;
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break;
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case SDLK_x:
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KEYMAP[K_Up] = false;
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break;
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default:
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break;
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}
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}
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void MouseMove(int x, int y)
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{
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Math::Point currentPos(static_cast<float>(x), static_cast<float>(y));
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static bool first = true;
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if (first || (x < 10) || (y < 10) || (x > 790) || (y > 590))
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{
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SDL_WarpMouse(400, 300);
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MOUSE_POS_BASE.x = 400;
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MOUSE_POS_BASE.y = 300;
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ROTATION_BASE = ROTATION;
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first = false;
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return;
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}
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ROTATION.y = ROTATION_BASE.y + (static_cast<float> (x - MOUSE_POS_BASE.x) / 800.0f) * Math::PI;
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ROTATION.x = ROTATION_BASE.x + (static_cast<float> (y - MOUSE_POS_BASE.y) / 600.0f) * Math::PI;
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}
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extern "C"
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{
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int SDL_MAIN_FUNC(int argc, char *argv[])
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{
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CLogger logger;
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CSystemUtils* systemUtils = CSystemUtils::Create(); // platform-specific utils
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systemUtils->Init();
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PREV_TIME = GetSystemUtils()->CreateTimeStamp();
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CURR_TIME = GetSystemUtils()->CreateTimeStamp();
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GetSystemUtils()->GetCurrentTimeStamp(PREV_TIME);
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GetSystemUtils()->GetCurrentTimeStamp(CURR_TIME);
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// Without any error checking, for simplicity
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SDL_Init(SDL_INIT_VIDEO);
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IMG_Init(IMG_INIT_PNG);
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const SDL_VideoInfo *videoInfo = SDL_GetVideoInfo();
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Uint32 videoFlags = SDL_OPENGL | SDL_GL_DOUBLEBUFFER | SDL_HWPALETTE;
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if (videoInfo->hw_available)
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videoFlags |= SDL_HWSURFACE;
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else
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videoFlags |= SDL_SWSURFACE;
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if (videoInfo->blit_hw)
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videoFlags |= SDL_HWACCEL;
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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SDL_Surface *surface = SDL_SetVideoMode(800, 600, 32, videoFlags);
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SDL_WM_SetCaption("Light Test", "Light Test");
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//SDL_WM_GrabInput(SDL_GRAB_ON);
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SDL_ShowCursor(SDL_DISABLE);
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Gfx::CGLDevice *device = new Gfx::CGLDevice(Gfx::GLDeviceConfig());
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device->Create();
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Init(device);
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bool done = false;
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while (! done)
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{
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Render(device);
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Update();
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SDL_GL_SwapBuffers();
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SDL_Event event;
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while (SDL_PollEvent(&event))
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{
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if (event.type == SDL_QUIT)
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{
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break;
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done = true;
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}
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else if (event.type == SDL_KEYDOWN)
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{
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if (event.key.keysym.sym == SDLK_q)
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{
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||
done = true;
|
||
break;
|
||
}
|
||
else
|
||
KeyboardDown(event.key.keysym.sym);
|
||
}
|
||
else if (event.type == SDL_KEYUP)
|
||
KeyboardUp(event.key.keysym.sym);
|
||
else if (event.type == SDL_MOUSEMOTION)
|
||
MouseMove(event.motion.x, event.motion.y);
|
||
}
|
||
|
||
usleep(FRAME_DELAY);
|
||
}
|
||
|
||
//SDL_WM_GrabInput(SDL_GRAB_OFF);
|
||
SDL_ShowCursor(SDL_ENABLE);
|
||
|
||
device->Destroy();
|
||
delete device;
|
||
|
||
SDL_FreeSurface(surface);
|
||
|
||
IMG_Quit();
|
||
|
||
SDL_Quit();
|
||
|
||
GetSystemUtils()->DestroyTimeStamp(PREV_TIME);
|
||
GetSystemUtils()->DestroyTimeStamp(CURR_TIME);
|
||
|
||
return 0;
|
||
}
|
||
|
||
} // extern "C"
|