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The-Simpsons-Hit-and-Run/tools/statepropbuilder/apps/spbuilder/code/sp/engine/context.cpp

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/*
* sp/engine/context.cpp
*/
#include <SP/engine/workspace.hpp>
#include <SP/engine/context.hpp>
#include <SP/interface/context.hpp>
//#include <SP/engine/project.hpp>
//#include <choreo/load.hpp>
#include <p3d/context.hpp>
#include <p3d/utility.hpp>
#include <p3d/view.hpp>
#include <p3d/directionallight.hpp>
#include <p3d/pointcamera.hpp>
#include <p3d/geometry.hpp>
#include <p3d/anim/drawablepose.hpp>
#include <radload/radload.hpp>
#include <radtime.hpp>
#include <radplatform.hpp>
#include <shlwapi.h>
#include <typeinfo>
#ifdef RAD_DEBUG
static const char* pddiDLL = "pddidx8d.dll";
#endif
#ifdef RAD_TUNE
static const char* pddiDLL = "pddidx8t.dll";
#endif
#ifdef RAD_RELEASE
static const char* pddiDLL = "pddidx8r.dll";
#endif
// global SPContext reference
SPContext* g_SPContext = 0;
extern Workspace* g_Workspace;
//---------------------------------------------------------------------------
// class SPContext - implementation
//---------------------------------------------------------------------------
SPContext::SPContext(HWND hwnd):
m_HWnd(hwnd),
m_Context(0),
m_View(0),
m_Camera(0),
m_Light(0),
m_Shader(0),
m_CurrentTime(-1.0f),
m_FPSIndex(0),
m_SimRate(1.0f),
m_MouseCapture(0),
m_MouseX(0),
m_MouseY(0),
m_IsCameraLocked(false)
{
memset(m_FPS, 0, sizeof(m_FPS));
}
SPContext::~SPContext()
{
tRefCounted::Release(m_Shader);
tRefCounted::Release(m_Light);
tRefCounted::Release(m_Camera);
tRefCounted::Release(m_View);
}
bool SPContext::Open()
{
// p3d context init
RECT wndRect;
GetWindowRect(m_HWnd, &wndRect);
tContextInitData init;
init.hwnd = m_HWnd;
init.displayMode = PDDI_DISPLAY_WINDOW;
init.bufferMask = PDDI_BUFFER_COLOUR | PDDI_BUFFER_DEPTH;
int wndWidth = wndRect.right - wndRect.left;
int wndHeight = wndRect.bottom - wndRect.top;
init.xsize = wndWidth;
init.ysize = wndHeight;
init.bpp = 32;
strcpy(init.PDDIlib, pddiDLL);
//p3d::platform->SetActiveContext(0);
m_Context = p3d::platform->CreateContext(&init);
if (m_Context == 0)
return false;
p3d::platform->SetActiveContext(m_Context);
// Call into PDDI to enable Z-buffering.
p3d::pddi->EnableZBuffer(true);
radLoadInitialize();
// This call installs chunk handlers for all the primary chunk types that
// Pure3D supports. This includes textures, materials, geometries, and the
// like.
p3d::InstallDefaultLoaders();
// install default choreo loaders
//choreo::InstallDefaultLoaders();
// p3d view init
m_View = new tView;
m_View->AddRef();
m_View->SetBackgroundColour(tColour(64, 64, 128));
m_View->SetAmbientLight(tColour(40, 40, 40));
// p3d light init
m_Light = new tDirectionalLight;
m_Light->AddRef();
m_Light->SetDirection(0.0f, 0.0f, 1.0f);
m_Light->SetColour(tColour(255, 255, 255));
m_View->AddLight(m_Light);
// p3d camera init
m_Camera = new tPointCamera;
m_Camera->AddRef();
m_Camera->SetNearPlane(0.01f);
m_Camera->SetFarPlane(5000.0f);
m_Camera->SetFOV(rmt::DegToRadian(90.0f), (float)wndWidth / (float)wndHeight);
m_View->SetCamera(m_Camera);
m_CameraTarget.Clear();
m_CameraRotateX = rmt::DegToRadian(-45.0f);
m_CameraRotateY = 0.0f;
m_CameraDistance = 5.0f;
// pddi shader
m_Shader = p3d::device->NewShader("simple");
m_Shader->AddRef();
m_Shader->SetInt(PDDI_SP_ISLIT, 0);
// workspace create
if (g_Workspace == 0)
{
g_Workspace = new Workspace;
g_Workspace->AddRef();
}
return true;
}
bool SPContext::Close()
{
// p3d release stuff
tRefCounted::Release(m_Shader);
tRefCounted::Release(m_Light);
tRefCounted::Release(m_Camera);
tRefCounted::Release(m_View);
// p3d context destroy
if (m_Context != 0)
{
p3d::platform->DestroyContext(m_Context);
m_Context = 0;
}
radLoadTerminate();
return true;
}
bool SPContext::ViewResize(int w, int h)
{
if (w <= 0)
w = 1;
if (h <= 0)
h = 1;
RECT wndRect;
GetWindowRect(m_HWnd, &wndRect);
int wndWidth = wndRect.right - wndRect.left;
if (wndWidth <= 0)
wndWidth = 1;
int wndHeight = wndRect.bottom - wndRect.top;
if (wndHeight <= 0)
wndHeight = 1;
if (w > wndWidth)
w = wndWidth;
if (h > wndHeight)
h = wndHeight;
m_View->SetWindow(0.0f, 0.0f, (float)w / (float)wndWidth, (float)h / (float)wndHeight);
m_Camera->SetFOV(rmt::DegToRadian(90.0f), (float)w / (float)h);
return true;
}
bool SPContext::Advance()
{
// do time
float deltaTime;
{
float newTime = (float)radTimeGetMilliseconds() / 1000.0f;
if (m_CurrentTime < 0.0f)
{
deltaTime = 0.0f;
m_CurrentTime = newTime;
}
else
{
deltaTime = newTime - m_CurrentTime;
if (deltaTime < 0.0f)
{
deltaTime = 0.0f;
}
else
{
m_CurrentTime = newTime;
}
// for debugging
if (deltaTime > 1.0f)
{
deltaTime = 1.0f / 60.0f;
}
else
{
// do fps
m_FPS[m_FPSIndex] = deltaTime;
m_FPSIndex = (m_FPSIndex + 1) % MAX_FPS_COUNT;
}
}
}
float simDeltaTime = m_SimRate * deltaTime;
if ( g_Workspace )
{
g_Workspace->Advance(simDeltaTime * 1000.0f);
}
// update camera & light
{
/*if (m_IsCameraLocked)
{
rmt::Vector desiredTarget = m_CVPuppet->GetCameraTarget();
rmt::Vector delta = desiredTarget;
delta.Sub(m_CameraTarget);
float mag = delta.NormalizeSafe();
static const float cameraSpeed = 1.5f; // m/s
float maxMag = cameraSpeed * deltaTime * mag;
if (mag > maxMag)
{
mag = maxMag;
}
delta.Scale(mag);
m_CameraTarget.Add(delta);
m_CameraTarget.x = desiredTarget.x;
m_CameraTarget.z = desiredTarget.z;
}*/
m_Camera->SetTarget(m_CameraTarget);
rmt::Matrix mY;
mY.FillRotateY(m_CameraRotateY);
rmt::Matrix mX;
mX.FillRotateX(m_CameraRotateX);
rmt::Vector cameraPos(0.0f, 0.0f, m_CameraDistance);
cameraPos.Rotate(mX);
cameraPos.Rotate(mY);
cameraPos.Add(m_CameraTarget);
m_Camera->SetPosition(cameraPos);
rmt::Vector lightDir;
lightDir = m_CameraTarget;
lightDir.Sub(cameraPos);
m_Light->SetDirection(lightDir);
}
//return rc;
return true;
}
bool SPContext::Display()
{
m_Context->BeginFrame();
m_View->BeginRender();
// render game context
if ( g_Workspace )
{
g_Workspace->Display(m_Context);
}
// draw origin
{
rmt::Matrix m;
m.Identity();
DrawAxes(m, 0.5f);
}
m_View->EndRender();
m_Context->EndFrame();
//return rc;
return true;
}
void SPContext::DrawAxes(const rmt::Matrix& m, float radius)
{
rmt::Vector oldVtx[4] =
{
rmt::Vector(0,0,0),
rmt::Vector(radius,0,0),
rmt::Vector(0,radius,0),
rmt::Vector(0,0,radius)
};
rmt::Vector newVtx[4];
m.Transform(4, oldVtx, newVtx);
pddiPrimStream* stream = p3d::pddi->BeginPrims(m_Shader, PDDI_PRIM_LINES, PDDI_V_C , 6);
stream->Vertex((pddiVector*)newVtx, pddiColour(255,0,0));
stream->Vertex((pddiVector*)(newVtx + 1), pddiColour(255,0,0));
stream->Vertex((pddiVector*)newVtx, pddiColour(0,255,0));
stream->Vertex((pddiVector*)(newVtx + 2), pddiColour(0,255,0));
stream->Vertex((pddiVector*)newVtx, pddiColour(0,0,255));
stream->Vertex((pddiVector*)(newVtx + 3), pddiColour(0,0,255));
p3d::pddi->EndPrims(stream);
}
void SPContext::DrawLine(const rmt::Vector& a, const rmt::Vector& b, tColour c)
{
pddiPrimStream* stream = p3d::pddi->BeginPrims(m_Shader, PDDI_PRIM_LINES, PDDI_V_C , 2 );
stream->Vertex((pddiVector*)(&a), c);
stream->Vertex((pddiVector*)(&b), c);
p3d::pddi->EndPrims(stream);
}
void SPContext::RenderPose(tPose* pose)
{
pose->Evaluate();
int i;
int startJoint = 0;
for (i = startJoint; i < pose->GetNumJoint(); ++i)
{
tPose::Joint* joint = pose->GetJoint(i);
tPose::Joint* parent = joint->parent;
if (parent != 0)
{
DrawLine(parent->worldMatrix.Row(3), joint->worldMatrix.Row(3), tColour(255,255,255));
DrawAxes(parent->worldMatrix, 0.02f);
}
}
}
void SPContext::MouseDown(int button, int shift, int x, int y)
{
if (m_MouseCapture == 0)
{
SetCapture(m_HWnd);
m_MouseCapture = 1;
}
m_MouseX = x;
m_MouseY = y;
}
void SPContext::MouseMove(int button, int shift, int x, int y)
{
if (m_MouseCapture == 0)
return;
if (GetCapture() != m_HWnd)
return;
int dx = x - m_MouseX;
int dy = y - m_MouseY;
m_MouseX = x;
m_MouseY = y;
if ((button & MK_LBUTTON) != 0)
{
if ((button & MK_MBUTTON) != 0)
{
CameraZoom(dx * 10);
}
else
{
CameraRotate(dx, dy);
}
}
else if ((button & MK_MBUTTON) != 0)
{
CameraPan(dx, dy);
}
}
void SPContext::MouseUp(int button, int shift, int x, int y)
{
MouseMove(button, shift, x, y);
if (m_MouseCapture == 0)
return;
ReleaseCapture();
m_MouseCapture = 0;
}
void SPContext::MouseWheel(int scroll)
{
CameraZoom(scroll);
}
void SPContext::CameraPan(int dx, int dy)
{
RECT wndRect;
GetWindowRect(m_HWnd, &wndRect);
rmt::Vector v((float)-dx / (float)(wndRect.right - wndRect.left),
(float)dy / (float)(wndRect.bottom - wndRect.top), 0.0f);
rmt::Vector a, b;
m_Camera->ViewToWorld(v, &a, &b);
b.Sub(a);
b.NormalizeSafe();
b.Scale(m_CameraDistance - m_Camera->GetNearPlane());
b.Add(a);
m_CameraTarget = b;
}
void SPContext::CameraZoom(int dz)
{
m_CameraDistance += ((float)-dz * 0.001f * m_CameraDistance);
if (m_CameraDistance < 0.1f)
{
m_CameraDistance = 0.1f;
}
}
void SPContext::CameraRotate(int dx, int dy)
{
m_CameraRotateX += ((float)-dy * 0.01f);
if (m_CameraRotateX > rmt::DegToRadian(89.9f))
{
m_CameraRotateX = rmt::DegToRadian(89.9f);
}
if (m_CameraRotateX < rmt::DegToRadian(-89.9f))
{
m_CameraRotateX = rmt::DegToRadian(-89.9f);
}
m_CameraRotateY += ((float)dx * 0.01f);
}
float SPContext::SimulationGetFPS() const
{
float fps = 0.0f;
for (int i = 0; i < MAX_FPS_COUNT; ++i)
{
fps += m_FPS[i];
}
fps /= (float)MAX_FPS_COUNT;
if (!rmt::Epsilon(fps, 0.0f))
{
fps = 1.0f / fps;
}
return fps;
}
void SPContext::SimulationSetRate(float simRate)
{
m_SimRate = simRate;
if (m_SimRate < 0.0f)
{
m_SimRate = 0.0f;
}
}
bool SPContext::GetEntityName(tEntity* entity, char* name, int maxLen)
{
if (maxLen > 0)
{
name[0] = 0;
}
if (entity == 0)
return false;
if (entity->GetName() != 0)
{
_snprintf(name, maxLen, "%s", entity->GetName());
}
else
{
_snprintf(name, maxLen, "0x%016I64x", entity->GetUID());
}
if (maxLen > 0)
{
name[maxLen - 1] = 0;
}
return true;
}
void SPContext::InventoryClear()
{
if (m_Context != 0)
{
m_Context->GetInventory()->RemoveAllElements();
}
}
int SPContext::InventoryGetEntityCount() const
{
if (m_Context == 0)
return 0;
int entityCount = 0;
/*
for (int s = 0; s < m_Context->GetInventory()->GetSectionCount(); ++s)
{
entityCount += m_Context->GetInventory()->GetSectionByIndex(s)->GetElementCount();
}
*/
return entityCount;
}
bool SPContext::InventoryGetEntityName(int index,
char* name, int nameLen,
char* type, int typeLen) const
{
int entityCount = 0;
/*
for (int s = 0; s < m_Context->GetInventory()->GetSectionCount(); ++s)
{
tEntityTable::RawIterator itor(m_Context->GetInventory()->GetSectionByIndex(s));
tEntity* obj = itor.First();
while (obj)
{
if (entityCount == index)
{
GetEntityName(obj, name, nameLen);
_snprintf(type, typeLen, "%s", typeid(*obj).name());
type[typeLen - 1] = '\0';
return true;
}
++entityCount;
obj = itor.Next();
}
}
*/
return false;
}
void SPContext::SetBackgroundColour(int r , int g , int b )
{
m_View->SetBackgroundColour( tColour( r , g , b ) );
}
//---------------------------------------------------------------------------
// SPContext - DLL interface
//---------------------------------------------------------------------------
int SP_CALLCONV SPContextOpen(HWND hwnd)
{
P3DASSERT(g_SPContext == 0);
if (g_SPContext != 0)
return -1;
g_SPContext = new SPContext(hwnd);
if (!g_SPContext->Open())
{
delete g_SPContext;
g_SPContext = 0;
return -1;
}
return 1;
}
int SP_CALLCONV SPContextClose()
{
if (g_SPContext == 0)
return 0;
if (!g_SPContext->Close())
{
delete g_SPContext;
g_SPContext = 0;
return -1;
}
delete g_SPContext;
g_SPContext = 0;
return 1;
}
int SP_CALLCONV SPContextViewResize(int w, int h)
{
if (g_SPContext == 0)
return -1;
g_SPContext->ViewResize(w, h);
return 1;
}
int SP_CALLCONV SPContextIsPDDIStatsEnabled()
{
if (p3d::pddi == 0)
return -1;
return p3d::pddi->IsStatsOverlayEnabled();
}
int SP_CALLCONV SPContextSetIsPDDIStatsEnabled(int statsEnabled)
{
if (p3d::pddi == 0)
return -1;
p3d::pddi->EnableStatsOverlay(statsEnabled != 0);
return 1;
}
int SP_CALLCONV SPContextAdvance()
{
if (g_SPContext == 0)
return -1;
return g_SPContext->Advance();
}
int SP_CALLCONV SPContextDisplay()
{
if (g_SPContext == 0)
return -1;
return g_SPContext->Display();
}
int SP_CALLCONV SPContextMouseDown(int button, int shift, int x, int y)
{
if (g_SPContext == 0)
return -1;
g_SPContext->MouseDown(button, shift, x, y);
return 0;
}
int SP_CALLCONV SPContextMouseMove(int button, int shift, int x, int y)
{
if (g_SPContext == 0)
return -1;
g_SPContext->MouseMove(button, shift, x, y);
return 0;
}
int SP_CALLCONV SPContextMouseUp(int button, int shift, int x, int y)
{
if (g_SPContext == 0)
return -1;
g_SPContext->MouseUp(button, shift, x, y);
return 0;
}
int SP_CALLCONV SPContextMouseWheel(int scroll)
{
if (g_SPContext == 0)
return -1;
g_SPContext->MouseWheel(scroll);
return 0;
}
float SP_CALLCONV SPSimulationGetFPS()
{
if (g_SPContext == 0)
return 0.0f;
return g_SPContext->SimulationGetFPS();
}
float SP_CALLCONV SPSimulationGetRate()
{
if (g_SPContext == 0)
return 0.0f;
return g_SPContext->SimulationGetRate();
}
int SP_CALLCONV SPSimulationSetRate(float rate)
{
if (g_SPContext == 0)
return -1;
g_SPContext->SimulationSetRate(rate);
return 0;
}
int SP_CALLCONV SPContextGetCameraLock()
{
if (g_SPContext == 0)
return -1;
return g_SPContext->IsCameraLocked();
}
int SP_CALLCONV SPContextSetCameraLock(int cameraLock)
{
if (g_SPContext == 0)
return -1;
g_SPContext->SetIsCameraLocked(cameraLock != 0);
return 0;
}
int SP_CALLCONV SPInventoryClear()
{
if (g_SPContext == 0)
return -1;
g_SPContext->InventoryClear();
return 0;
}
int SP_CALLCONV SPInventoryGetEntityCount()
{
if (g_SPContext == 0)
return -1;
return g_SPContext->InventoryGetEntityCount();
}
int SP_CALLCONV SPInventoryGetEntityName(int index, char* name, int nameLen, char* type, int typeLen)
{
if (g_SPContext == 0)
return -1;
if (!g_SPContext->InventoryGetEntityName(index, name, nameLen, type, typeLen))
{
return -1;
}
return 0;
}
int SP_CALLCONV SPSetBackgroundColour( int r , int g , int b )
{
if (g_SPContext == 0)
return 0;
g_SPContext->SetBackgroundColour( r , g , b );
return 1;
}
// End of file.
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