mirror of https://github.com/AxioDL/metaforce.git
229 lines
8.4 KiB
C++
229 lines
8.4 KiB
C++
#include "Runtime/World/CVisorFlare.hpp"
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#include "Runtime/Camera/CCameraManager.hpp"
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#include "Runtime/Camera/CGameCamera.hpp"
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#include "Runtime/World/CPlayer.hpp"
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#include "Runtime/GameGlobalObjects.hpp"
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#include "Runtime/CStateManager.hpp"
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#include "Runtime/CSimplePool.hpp"
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#include "Runtime/Graphics/CCubeRenderer.hpp"
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#include "Runtime/Graphics/CGX.hpp"
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namespace metaforce {
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std::optional<CVisorFlare::CFlareDef> CVisorFlare::LoadFlareDef(CInputStream& in) {
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u32 propCount = in.ReadLong();
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if (propCount != 4)
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return std::nullopt;
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CAssetId txtrId = in.Get<CAssetId>();
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float f1 = in.ReadFloat();
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float f2 = in.ReadFloat();
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zeus::CColor color = in.Get<zeus::CColor>();
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if (!txtrId.IsValid())
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return std::nullopt;
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TToken<CTexture> tex = g_SimplePool->GetObj(SObjectTag{FOURCC('TXTR'), txtrId});
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return CFlareDef(tex, f1, f2, color);
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}
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CVisorFlare::CVisorFlare(EBlendMode blendMode, bool b1, float f1, float f2, float f3, u32 w1, u32 w2,
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std::vector<CFlareDef> flares)
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: x0_blendMode(blendMode)
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, x4_flareDefs(std::move(flares))
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, x14_b1(b1)
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, x18_f1(std::max(f1, 1.0E-4f))
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, x1c_f2(f2)
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, x20_f3(f3)
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, x2c_w1(w1)
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, x30_w2(w2) {}
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void CVisorFlare::Update(float dt, const zeus::CVector3f& pos, const CActor* act, CStateManager& mgr) {
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const CPlayerState::EPlayerVisor visor = mgr.GetPlayerState()->GetCurrentVisor();
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if ((visor == CPlayerState::EPlayerVisor::Combat || (x2c_w1 != 1 && visor == CPlayerState::EPlayerVisor::Thermal)) &&
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mgr.GetPlayer().GetMorphballTransitionState() == CPlayer::EPlayerMorphBallState::Unmorphed) {
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zeus::CVector3f camPos = mgr.GetCameraManager()->GetCurrentCamera(mgr)->GetTranslation();
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zeus::CVector3f camDiff = pos - camPos;
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const float mag = camDiff.magnitude();
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camDiff = camDiff * (1.f / mag);
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EntityList nearVec;
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mgr.BuildNearList(nearVec, camPos, camDiff, mag,
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CMaterialFilter::MakeInclude({EMaterialTypes::Occluder}), act);
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TUniqueId id;
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CRayCastResult result = mgr.RayWorldIntersection(
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id, camPos, camDiff, mag,
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CMaterialFilter::MakeIncludeExclude({EMaterialTypes::Solid}, {EMaterialTypes::SeeThrough}), nearVec);
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if (result.IsInvalid()) {
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x28_ -= dt;
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} else {
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x28_ += dt;
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}
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x28_ = zeus::clamp(0.f, x28_, x18_f1);
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x24_ = 1.f - (x28_ / x18_f1);
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const auto* curCam = mgr.GetCameraManager()->GetCurrentCamera(mgr);
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const auto dir = (pos - curCam->GetTranslation()).normalized();
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float dot = dir.dot(curCam->GetTransform().frontVector());
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x24_ *= std::max(0.f, 1.f - (x1c_f2 * 4.f * (1.f - dot)));
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if (x2c_w1 == 2) {
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mgr.SetThermalColdScale2(mgr.GetThermalColdScale2() + x24_);
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}
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}
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}
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void CVisorFlare::Render(const zeus::CVector3f& pos, const CStateManager& mgr) const {
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if (zeus::close_enough(x28_, x18_f1, 1.0E-5f) ||
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mgr.GetPlayer().GetMorphballTransitionState() != CPlayer::EPlayerMorphBallState::Unmorphed) {
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return;
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}
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SCOPED_GRAPHICS_DEBUG_GROUP("CVisorFlare::Render", zeus::skGrey);
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u32 type;
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const auto visor = mgr.GetPlayerState()->GetActiveVisor(mgr);
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if (visor == CPlayerState::EPlayerVisor::Thermal) {
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type = x2c_w1;
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} else if (visor == CPlayerState::EPlayerVisor::XRay) {
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return;
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} else {
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type = x30_w2;
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}
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if (type != 0) {
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return;
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}
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CGraphics::DisableAllLights();
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g_Renderer->SetDepthReadWrite(false, false);
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const CGameCamera* cam = mgr.GetCameraManager()->GetCurrentCamera(mgr);
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zeus::CVector3f camPos = cam->GetTranslation();
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zeus::CVector3f camFront = cam->GetTransform().frontVector();
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const auto invPos = CGraphics::g_ViewMatrix.inverse() * pos;
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const auto invPos2 = CGraphics::g_ViewMatrix * zeus::CVector3f{-invPos.x(), invPos.y(), -invPos.z()};
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if (!zeus::close_enough(x24_, 0.f, 1.0E-5f)) {
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float acos = 0.f;
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if (!zeus::close_enough(x20_f3, 0.f, 1.0E-5f)) {
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zeus::CVector3f camDist{pos.x() - camPos.x(), pos.y() - camPos.y(), 0.f};
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camDist.normalize();
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zeus::CVector3f camDir{camFront.x(), camFront.y(), 0.f};
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camDir.normalize();
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acos = std::acos(camDist.dot(camDir));
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if (camDist.x() * camDir.y() - camDir.x() * camDist.y() < 0.f) {
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acos = -acos;
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}
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acos = x20_f3 * acos;
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}
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SetupRenderState(mgr);
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for (const auto& item : x4_flareDefs) {
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const auto origin = pos * (1.f - item.GetPosition()) + invPos2 * item.GetPosition();
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g_Renderer->SetModelMatrix(zeus::lookAt(origin, camPos));
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float scale = 0.5f * x24_ * item.GetScale();
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if (x14_b1) {
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auto dist = origin - camPos;
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if (dist.canBeNormalized()) {
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scale *= dist.magnitude();
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}
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}
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if (item.GetTexture()) {
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item.GetTexture()->Load(GX_TEXMAP0, EClampMode::Repeat);
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float f1;
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if (zeus::close_enough(acos, 0.f)) {
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f1 = 0.f;
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} else {
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f1 = scale * std::sin(acos);
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scale *= std::cos(acos);
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}
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if (mgr.GetThermalDrawFlag() == EThermalDrawFlag::Hot) {
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DrawDirect(item.GetColor(), f1, scale);
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} else {
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DrawStreamed(item.GetColor(), f1, scale);
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}
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}
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}
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ResetTevSwapMode(mgr);
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}
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}
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void CVisorFlare::SetupRenderState(const CStateManager& mgr) const {
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if (mgr.GetThermalDrawFlag() == EThermalDrawFlag::Hot) {
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CGX::SetBlendMode(GX_BM_BLEND, GX_BL_ONE, GX_BL_ONE, GX_LO_CLEAR);
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CGX::SetStandardTevColorAlphaOp(GX_TEVSTAGE0);
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CGX::SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
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CGX::SetAlphaCompare(GX_ALWAYS, 0, GX_AOP_OR, GX_ALWAYS, 0);
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GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP1);
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CGX::SetTevKColorSel(GX_TEVSTAGE0, GX_TEV_KCSEL_K0_A);
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CGX::SetTevKAlphaSel(GX_TEVSTAGE0, GX_TEV_KASEL_K0_A);
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CGX::SetTevColorIn(GX_TEVSTAGE0, GX_CC_ZERO, GX_CC_TEXC, GX_CC_KONST, GX_CC_ZERO);
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CGX::SetTevAlphaIn(GX_TEVSTAGE0, GX_CA_ZERO, GX_CA_TEXA, GX_CA_KONST, GX_CA_ZERO);
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CGX::SetNumTexGens(1);
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CGX::SetNumChans(0);
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CGX::SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY, false, GX_PTIDENTITY);
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if (x0_blendMode == EBlendMode::Blend) {
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CGX::SetStandardTevColorAlphaOp(GX_TEVSTAGE1);
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CGX::SetTevOrder(GX_TEVSTAGE1, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
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CGX::SetTevColorIn(GX_TEVSTAGE1, GX_CC_ZERO, GX_CC_TEXA, GX_CC_CPREV, GX_CC_ZERO);
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CGX::SetTevAlphaIn(GX_TEVSTAGE1, GX_CA_ZERO, GX_CA_TEXA, GX_CA_APREV, GX_CA_ZERO);
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CGX::SetNumTevStages(2);
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} else if (x0_blendMode == EBlendMode::Additive) {
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CGX::SetNumTevStages(1);
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}
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constexpr std::array vtxDescList{
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GXVtxDescList{GX_VA_POS, GX_DIRECT},
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GXVtxDescList{GX_VA_TEX0, GX_DIRECT},
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GXVtxDescList{GX_VA_NULL, GX_NONE},
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};
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CGX::SetVtxDescv(vtxDescList.data());
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} else {
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if (x0_blendMode == EBlendMode::Blend) {
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g_Renderer->SetBlendMode_AlphaBlended();
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} else if (x0_blendMode == EBlendMode::Additive) {
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g_Renderer->SetBlendMode_AdditiveAlpha();
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}
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CGraphics::SetTevOp(ERglTevStage::Stage0, CTevCombiners::sTevPass805a5ebc);
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CGraphics::SetTevOp(ERglTevStage::Stage1, CTevCombiners::skPassThru);
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}
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}
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void CVisorFlare::ResetTevSwapMode(const CStateManager& mgr) const {
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if (mgr.GetThermalDrawFlag() == EThermalDrawFlag::Hot) {
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GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP0);
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}
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}
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void CVisorFlare::DrawDirect(const zeus::CColor& color, float f1, float f2) const {
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zeus::CColor kcolor = color;
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kcolor.a() *= x24_; // TODO i think this is wrong
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CGX::SetTevKColor(GX_KCOLOR0, kcolor);
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CGX::Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 4);
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GXPosition3f32(f1 - f2, 0.f, f2 + f1);
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GXTexCoord2f32(0.f, 1.f);
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GXPosition3f32(f2 + f1, 0.f, f2 - f1);
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GXTexCoord2f32(1.f, 1.f);
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GXPosition3f32(-(f2 - f1), 0.f, -(f2 - f1));
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GXTexCoord2f32(0.f, 0.f);
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GXPosition3f32(-f1 + f2, 0.f, -f2 - f1);
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GXTexCoord2f32(1.f, 0.f);
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CGX::End();
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}
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void CVisorFlare::DrawStreamed(const zeus::CColor& color, float f1, float f2) const {
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CGraphics::StreamBegin(GX_TRIANGLESTRIP);
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zeus::CColor kcolor = color;
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kcolor.a() *= x24_;
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CGraphics::StreamColor(kcolor);
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CGraphics::StreamTexcoord(0.f, 1.f);
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CGraphics::StreamVertex(f1 - f2, 0.f, f2 + f1);
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CGraphics::StreamTexcoord(1.f, 1.f);
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CGraphics::StreamVertex(f1 + f2, 0.f, f2 - f1);
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CGraphics::StreamTexcoord(0.f, 0.f);
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CGraphics::StreamVertex(-(f1 + f2), 0.f, -(f2 - f1));
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CGraphics::StreamTexcoord(1.f, 0.f);
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CGraphics::StreamVertex(-f1 + f2, 0.f, -f2 - f1);
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CGraphics::StreamEnd();
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}
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} // namespace metaforce
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