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C-/C++-Quelltext

#include "main.h"
#define TEST_DX_ERROR(x) {HRESULT DXr; DXr = x; if (DXr) {TB_ERROR_DIRECTX(__TB_FUNCTION__, DXr, TB_ERROR); }}
#define TEST_FOR_ERROR(x) {tbResult r; r = x; if (r) {return r; }}
char* IntroFilename = "Data\\Intro.mpg";
struct SVideoVertex
{
    tbVector3           vPosition;
    float               fRHW;
    tbVector2           vTexture;
    static const DWORD  dwFVF;
};
tbVideo*        g_pIntroVideo;
const DWORD SVideoVertex::dwFVF = D3DFVF_XYZRHW | D3DFVF_TEX1;
tbResult CIntro::Init() {
    TB_INFO("Der Gamestate GS_INTRO wurde initalisiert");
    return TB_OK;
}
tbResult CIntro::Load() {
    TB_INFO("Der Gamestate GS_INTRO wurde geladen");
    g_pIntroVideo = (tbVideo*) tbMemAlloc(sizeof(tbVideo));
    if (!tbFileExists(IntroFilename)) 
        TB_ERROR("Das Introvideo wurde nicht gefunden!", TB_NOT_FOUND);
    TEST_FOR_ERROR(g_pIntroVideo->Init(IntroFilename));
    TEST_FOR_ERROR(g_pIntroVideo->Play(0));
    return TB_OK;
}
tbResult CIntro::Render(float time) {
    SVideoVertex    VideoPrimitive[4];
    tbDirect3D&     D3D = tbDirect3D::Instance();
    TEST_DX_ERROR(D3D->BeginScene());
    // Vertexformat und Videotextur setzen, Z-Buffer aus

    TEST_FOR_ERROR(D3D.SetFVF(SVideoVertex::dwFVF));
    TEST_FOR_ERROR(D3D.SetTexture(0, g_pIntroVideo->GetRenderer()->GetTexture()));
    TEST_FOR_ERROR(D3D.SetRS(D3DRS_ZENABLE, D3DZB_FALSE));
    // Links unten

    VideoPrimitive[0].vPosition = tbVector3(0.0f, D3D.GetScreenSize().y, 0.5f);
    VideoPrimitive[0].fRHW = 1.0f;
    VideoPrimitive[0].vTexture = tbVector2(0.0f, g_pIntroVideo->GetRenderer()->GetBottomRightTex().y);
    // Links oben

    VideoPrimitive[1].vPosition = tbVector3(0.0f, 0.0f, 0.0f);
    VideoPrimitive[1].fRHW = 1.0f;
    VideoPrimitive[1].vTexture = tbVector2(0.0f, 0.0f);
    // Rechts unten

    VideoPrimitive[2].vPosition = tbVector3(D3D.GetScreenSize().x, D3D.GetScreenSize().y, 0.5f);
    VideoPrimitive[2].fRHW = 1.0f;
    VideoPrimitive[2].vTexture = g_pIntroVideo->GetRenderer()->GetBottomRightTex();
    // Rechts oben

    VideoPrimitive[3].vPosition = tbVector3(D3D.GetScreenSize().x, 0.0f, 0.5f);
    VideoPrimitive[3].fRHW = 1.0f;
    VideoPrimitive[3].vTexture = tbVector2(g_pIntroVideo->GetRenderer()->GetBottomRightTex().x, 0.0f);
    // Szene zeichnen und beenden

    TEST_DX_ERROR(D3D->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP, 2, VideoPrimitive, sizeof(SVideoVertex)));
    TEST_DX_ERROR(D3D->EndScene());
    TEST_FOR_ERROR(g_pIntroVideo->NextFrame());
    return TB_OK;
}
tbResult CIntro::Move(float time) {
    TEST_FOR_ERROR(g_pIntroVideo->Process());
    if (!g_pIntroVideo->IsPlaying())
        GetGame()->SetGameState(GS_MAINMENU);
    return TB_OK;
}
tbResult CIntro::Unload() {
    TB_INFO("Der Gamestate GS_INTRO wurde entladen");
    TB_SAFE_MEMFREE(g_pIntroVideo);
    return TB_OK;
}
tbResult CIntro::Exit() {
    TB_INFO("Der Gamestate GS_INTRO wurde heruntergefahren");
    return TB_OK;
}