forked from 0ad/0ad
339 lines
7.2 KiB
C++
Executable File
339 lines
7.2 KiB
C++
Executable File
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#include "Matrix3D.h"
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#include "Renderer.h"
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#include "Terrain.h"
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#include "LightEnv.h"
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#include "TextureManager.h"
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#include "ObjectManager.h"
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#include "Prometheus.h"
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#include "sdl.h"
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#include "res/tex.h"
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#include "detect.h"
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void InitScene ();
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void InitResources ();
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void RenderScene ();
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extern bool keys[512]; // SDL also defines non-ascii keys; 512 should be enough
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CMatrix3D g_WorldMat;
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CRenderer g_Renderer;
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CTerrain g_Terrain;
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CCamera g_Camera;
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CLightEnv g_LightEnv;
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int SelPX, SelPY, SelTX, SelTY;
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int g_BaseTexCounter = 0;
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int g_SecTexCounter = 1;
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int g_TransTexCounter = 0;
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int g_TickCounter = 0;
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double g_LastTime;
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const int NUM_ALPHA_MAPS = 13;
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const float ViewScrollSpeed = 60;
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float ViewFOV;
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int mouse_x=50, mouse_y=50;
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void terr_init()
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{
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int xres,yres;
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get_cur_resolution(xres,yres);
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g_Renderer.Open(xres,yres,32);
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SViewPort vp;
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vp.m_X=0;
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vp.m_Y=0;
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vp.m_Width=xres;
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vp.m_Height=yres;
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g_Camera.SetViewPort(&vp);
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InitResources ();
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InitScene ();
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}
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void terr_update(const float DeltaTime)
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{
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const float dx = ViewScrollSpeed * DeltaTime;
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const CVector3D Right(dx,0, dx);
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const CVector3D Up (dx,0,-dx);
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if (mouse_x >= g_xres-2)
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g_Camera.m_Orientation.Translate(Right);
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if (mouse_x <= 3)
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g_Camera.m_Orientation.Translate(Right*-1);
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if (mouse_y >= g_yres-2)
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g_Camera.m_Orientation.Translate(Up);
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if (mouse_y <= 3)
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g_Camera.m_Orientation.Translate(Up*-1);
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const float s30 = sin(DEGTORAD(30.0f));
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const float c30 = cos(DEGTORAD(30.0f));
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const float s45 = sin(DEGTORAD(45.0f));
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const float c45 = cos(DEGTORAD(45.0f));
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const float s60 = sin(DEGTORAD(60.0f));
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const float c60 = cos(DEGTORAD(60.0f));
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const CVector3D vert (c30*c45, s45, -s30*c45);
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float fov = g_Camera.GetFOV();
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float d = DEGTORAD(0.4f);
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if(keys[SDLK_KP_MINUS])
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if (fov < DEGTORAD(60.f))
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fov += d;
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g_Camera.SetProjection(1, 1000, fov + d);
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if(keys[SDLK_KP_PLUS])
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if (fov-d > DEGTORAD(10))
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fov -= d;
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g_Camera.SetProjection(1, 1000, fov);
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ViewFOV = fov;
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g_Camera.UpdateFrustum ();
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}
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bool terr_handler(const SDL_Event& ev)
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{
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switch(ev.type)
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{
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case SDL_MOUSEMOTION:
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mouse_x = ev.motion.x;
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mouse_y = ev.motion.y;
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break;
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case SDL_KEYDOWN:
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switch(ev.key.keysym.sym)
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{
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case 'W':
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if (g_Renderer.GetTerrainRenderMode()==WIREFRAME) {
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g_Renderer.SetTerrainRenderMode(SOLID);
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} else {
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g_Renderer.SetTerrainRenderMode(WIREFRAME);
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}
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break;
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case 'H':
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// quick hack to return camera home, for screenshots (after alt+tabbing)
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g_Camera.SetProjection (1, 1000, DEGTORAD(20));
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g_Camera.m_Orientation.SetXRotation(DEGTORAD(30));
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g_Camera.m_Orientation.RotateY(DEGTORAD(-45));
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g_Camera.m_Orientation.Translate (100, 150, -100);
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break;
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/* case 'L':
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g_HillShading = !g_HillShading;
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break;
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// tile selection
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case SDLK_DOWN:
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if(++SelTX > 15)
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if(SelPX == g_Terrain.GetPatchesPerSide()-1)
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SelTX = 15;
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else
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SelTX = 0, SelPX++;
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break;
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case SDLK_UP:
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if(--SelTX < 0)
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if(SelPX == 0)
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SelTX = 0;
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else
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SelTX = 15, SelPX--;
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break;
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case SDLK_RIGHT:
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if(++SelTY > 15)
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if(SelPY == g_Terrain.GetPatchesPerSide()-1)
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SelTY = 15;
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else
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SelTY = 0, SelPY++;
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break;
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case SDLK_LEFT:
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if(--SelTY < 0)
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if(SelPY == 0)
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SelTY = 0;
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else
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SelTY = 15, SelPY--;
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break;
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case SDLK_KP0:
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{
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CMiniPatch *MPatch = &g_Terrain.GetPatch(SelPY, SelPX)->m_MiniPatches[SelTY][SelTX];
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/*if (!MPatch->Tex2)
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{
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MPatch->m_AlphaMap = AlphaMaps[g_TransTexCounter];
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MPatch->Tex2 = BaseTexs[g_SecTexCounter];
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}
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else
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{
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MPatch->Tex2 = 0;
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MPatch->m_AlphaMap = 0;
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}*/
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break;
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}
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/*case SDLK_KP1:
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{
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CMiniPatch *MPatch = &g_Terrain.GetPatch(SelPY, SelPX)->m_MiniPatches[SelTY][SelTX];
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g_BaseTexCounter++;
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if (g_BaseTexCounter > 4)
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g_BaseTexCounter = 0;
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MPatch->Tex1 = BaseTexs[g_BaseTexCounter];
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break;
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}
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case SDLK_KP2:
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{
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CMiniPatch *MPatch = &g_Terrain.m_Patches[SelPY][SelPX].m_MiniPatches[SelTY][SelTX];
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if (MPatch->Tex2)
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{
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g_SecTexCounter++;
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if (g_SecTexCounter > 4)
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g_SecTexCounter = 0;
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MPatch->Tex2 = BaseTexs[g_SecTexCounter];
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}
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break;
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}
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case SDLK_KP3:
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{
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CMiniPatch *MPatch = &g_Terrain.m_Patches[SelPY][SelPX].m_MiniPatches[SelTY][SelTX];
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if (MPatch->m_AlphaMap)
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{
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g_TransTexCounter++;
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if (g_TransTexCounter >= NUM_ALPHA_MAPS)
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g_TransTexCounter = 0;
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MPatch->m_AlphaMap = AlphaMaps[g_TransTexCounter];
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}
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break;
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}*/
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//}
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}
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return false;
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}
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void InitScene ()
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{
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// setup default lighting environment
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g_LightEnv.m_SunColor=RGBColor(1,1,1);
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g_LightEnv.m_Rotation=DEGTORAD(270);
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g_LightEnv.m_Elevation=DEGTORAD(45);
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g_LightEnv.m_TerrainAmbientColor=RGBColor(0,0,0);
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g_LightEnv.m_UnitsAmbientColor=RGBColor(0.4f,0.4f,0.4f);
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g_Renderer.SetLightEnv(&g_LightEnv);
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// load terrain
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Handle ht = tex_load("terrain.raw");
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if(ht > 0)
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{
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const u8* p;
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int w;
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int h;
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tex_info(ht, &w, &h, NULL, NULL, (void **)&p);
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printf("terrain.raw: %dx%d\n", w, h);
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u16 *p16=new u16[w*h];
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u16 *p16p=p16;
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while (p16p < p16+(w*h))
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*p16p++ = (*p++) << 8;
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g_Terrain.Resize(20);
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g_Terrain.SetHeightMap(p16);
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delete[] p16;
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tex_free(ht);
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}
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// get default texture to apply to terrain
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CTextureEntry* texture=0;
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for (uint ii=0;ii<g_TexMan.m_TerrainTextures.size();ii++) {
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if (g_TexMan.m_TerrainTextures[ii].m_Textures.size()) {
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texture=g_TexMan.m_TerrainTextures[ii].m_Textures[0];
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break;
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}
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}
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// cover entire terrain with default texture
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u32 patchesPerSide=g_Terrain.GetPatchesPerSide();
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for (uint pj=0; pj<patchesPerSide; pj++) {
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for (uint pi=0; pi<patchesPerSide; pi++) {
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CPatch* patch=g_Terrain.GetPatch(pi,pj);
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for (int j=0;j<16;j++) {
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for (int i=0;i<16;i++) {
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patch->m_MiniPatches[j][i].Tex1=texture ? texture->m_Handle :0;
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}
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}
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}
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}
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g_Camera.SetProjection (1, 1000, DEGTORAD(20));
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g_Camera.m_Orientation.SetXRotation(DEGTORAD(30));
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g_Camera.m_Orientation.RotateY(DEGTORAD(-45));
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g_Camera.m_Orientation.Translate (100, 150, -100);
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}
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void InitResources()
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{
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#ifndef _WIN32
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g_TexMan.AddTextureType("grass");
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g_TexMan.AddTexture("Base1.tga", 0);
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#else
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g_TexMan.LoadTerrainTextures();
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g_ObjMan.LoadObjects();
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#endif
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const char* fns[CRenderer::NumAlphaMaps] = {
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"art/textures/terrain/alphamaps/special/blendcircle.png",
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"art/textures/terrain/alphamaps/special/blendlshape.png",
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"art/textures/terrain/alphamaps/special/blendedge.png",
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"art/textures/terrain/alphamaps/special/blendedgecorner.png",
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"art/textures/terrain/alphamaps/special/blendedgetwocorners.png",
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"art/textures/terrain/alphamaps/special/blendfourcorners.png",
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"art/textures/terrain/alphamaps/special/blendtwooppositecorners.png",
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"art/textures/terrain/alphamaps/special/blendlshapecorner.png",
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"art/textures/terrain/alphamaps/special/blendtwocorners.png",
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"art/textures/terrain/alphamaps/special/blendcorner.png",
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"art/textures/terrain/alphamaps/special/blendtwoedges.png",
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"art/textures/terrain/alphamaps/special/blendthreecorners.png",
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"art/textures/terrain/alphamaps/special/blendushape.png",
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"art/textures/terrain/alphamaps/special/blendbad.png"
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};
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g_Renderer.LoadAlphaMaps(fns);
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}
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