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-rw-r--r--src/render/SmokeTrails.cpp139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/render/SmokeTrails.cpp b/src/render/SmokeTrails.cpp
new file mode 100644
index 00000000..3913c806
--- /dev/null
+++ b/src/render/SmokeTrails.cpp
@@ -0,0 +1,139 @@
+#include "common.h"
+#include "SmokeTrails.h"
+#include "Camera.h"
+#include "World.h"
+#include "CutsceneMgr.h"
+#include "PlayerPed.h"
+#include "Entity.h"
+#include "rpworld.h"
+#include "Bones.h"
+#include "Timer.h"
+#include "Weather.h"
+
+bool CSmokeTrails::CigOn = false;
+CSmokeTrail CSmokeTrails::aSmoke[3];
+
+extern RwImVertexIndex SmokeTrailIndices[32] = { 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8,
+9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16 };
+
+float RandomSmoke[16] = { 10.0f, 5.0f, -1.0f, -9.0f, -7.0f, -1.0f, 0.0f, 3.0f, 6.0f, 7.0f, 4.0f, 2.0f,
+5.0f, 7.0f };
+
+
+void
+CSmokeTrail::RegisterPoint(CVector regPosition, float opacity) {
+ bool bShifted = false;
+
+ if (m_time[0] && CTimer::GetTimeInMilliseconds() - m_time[0] > 150) {
+ bShifted = true;
+ for (int32 i = 15; i > 0; i--) {
+ m_pos[i] = m_pos[i - 1];
+ m_time[i] = m_time[i - 1];
+ m_density[i] = m_density[i - 1];
+ }
+ ++m_seed;
+ }
+ m_pos[0] = regPosition;
+
+ if (bShifted || !m_time[0]) {
+ m_time[0] = CTimer::GetTimeInMilliseconds();
+ float currentDensity = 0.1f / (m_pos[1] - m_pos[2]).Magnitude();
+ m_density[1] = opacity * Min(currentDensity, 1.0f);
+ }
+ m_density[0] = 0.0f;
+}
+
+void
+CSmokeTrail::Init(int num) {
+ for (int32 i = 0; i < 16; i++)
+ m_time[i] = 0;
+ m_seed = num * 2;
+}
+
+void
+CSmokeTrails::Init(void) {
+ for(int32 i = 0; i < 3; i++)
+ aSmoke[i].Init(i);
+}
+
+void
+CSmokeTrails::Render(void) {
+ for (int32 i = 0; i < 3; i++)
+ aSmoke[i].Render();
+}
+
+void
+CSmokeTrail::Render(void) {
+ int numVerts = 0;
+ RwIm3DVertex TempVertexBuffer[16];
+
+ if (TheCamera.IsSphereVisible(m_pos[0], 10.0f)) {
+ for (int32 i = 0; i < 16; i++) {
+ int timeSinceSpawned = CTimer::GetTimeInMilliseconds() - m_time[i];
+
+ if (timeSinceSpawned > 2250)
+ m_time[i] = 0;
+
+ if (m_time[i]) {
+ int alpha = (1.0f - timeSinceSpawned / 2250.0f) * 110.0f * m_density[i];
+ float offset = timeSinceSpawned * CWeather::Wind * 0.000099f;
+ float currentX = (m_pos[i].x + timeSinceSpawned * RandomSmoke[(i - m_seed) & 0xF] * 0.0000099f) - offset;
+ float currentY = (m_pos[i].y + timeSinceSpawned * RandomSmoke[(i - m_seed + 5) & 0xF] * 0.0000099f) - offset;
+ float currentZ = m_pos[i].z + timeSinceSpawned * 0.00039f;
+ RwIm3DVertexSetRGBA(&TempVertexBuffer[i], 200, 200, 200, alpha);
+ RwIm3DVertexSetPos(&TempVertexBuffer[i], currentX, currentY, currentZ);
+ numVerts++;
+ }
+ }
+ }
+
+ if (numVerts > 1) {
+ RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+ RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+ RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+ RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil);
+
+ if (RwIm3DTransform(TempVertexBuffer, numVerts, nil, rwIM3D_VERTEXXYZ | rwIM3D_VERTEXRGBA)) {
+ RwIm3DRenderIndexedPrimitive(rwPRIMTYPEPOLYLINE, SmokeTrailIndices, 2*(numVerts - 1));
+ RwIm3DEnd();
+ }
+ }
+}
+
+void
+CSmokeTrails::Update(void) {
+
+ if (!CSmokeTrails::CigOn || TheCamera.Using1stPersonWeaponMode() || !FindPlayerPed() ||
+ FindPlayerVehicle() || CCutsceneMgr::IsRunning() || !FindPlayerPed()->GetClump())
+ return;
+
+ RwV3d startPos = {0.026f, 0.15f, 0.02f};
+ RwV3d endPos = {0.026f, 0.05f, 0.02f};
+
+ RpHAnimHierarchy *hier = GetAnimHierarchyFromSkinClump(FindPlayerPed()->GetClump());
+ int32 idx = RpHAnimIDGetIndex(hier, ConvertPedNode2BoneTag(PED_HEAD));
+ RwMatrix *head = &RpHAnimHierarchyGetMatrixArray(hier)[idx];
+ RwV3dTransformPoints(&startPos, &startPos, 1, head);
+ RwV3dTransformPoints(&endPos, &endPos, 1, head);
+
+ aSmoke[0].RegisterPoint(startPos, 1.0f);
+ aSmoke[1].RegisterPoint(startPos, 0.75f);
+ aSmoke[2].RegisterPoint(startPos, 0.5f);
+
+ RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
+ RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+ RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+ RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil);
+
+ int32 color = 255;
+ RwIm3DVertex TempVertexBuffer[2];
+ RwIm3DVertexSetRGBA(&TempVertexBuffer[0], color, color, color, color);
+ RwIm3DVertexSetPos(&TempVertexBuffer[0], startPos.x, startPos.y, startPos.z);
+ RwIm3DVertexSetRGBA(&TempVertexBuffer[1], color, color, color, color);
+ RwIm3DVertexSetPos(&TempVertexBuffer[1], endPos.x, endPos.y, endPos.z);
+
+ if (RwIm3DTransform(TempVertexBuffer, 2, nil, rwIM3D_VERTEXXYZ | rwIM3D_VERTEXRGBA)) {
+ RwIm3DRenderIndexedPrimitive(rwPRIMTYPEPOLYLINE, SmokeTrailIndices, 2);
+ RwIm3DEnd();
+ }
+}