void ETHParallaxManager::SetShaderParameters(const VideoConstPtr& video, const ShaderPtr& shader, const Vector3& entityPos,
const float& individualParallaxIntensity, const bool drawToTarget) const
{
if (!drawToTarget)
{
const float parallaxIntensity = GetIntensity() * individualParallaxIntensity;
#ifdef GLES2
shader->SetConstant(GS_L("entityPos3D_parallaxIntensity"), Vector4(entityPos, parallaxIntensity));
#else
shader->SetConstant(GS_L("entityPos3D"), entityPos);
shader->SetConstant(GS_L("parallaxIntensity"), parallaxIntensity);
#endif
shader->SetConstant(GS_L("parallaxOrigin_verticalIntensity"), Vector3(GetInScreenOrigin(video), GetVerticalIntensity()));
}
else
{
shader->SetConstant(GS_L("parallaxIntensity"), 0.0f);
}
}
void GLSprite::BeginFastRendering()
{
GLVideo* video = m_video.lock().get();
video->SetVertexShader(video->GetFontShader());
ShaderPtr pCurrentVS = video->GetVertexShader();
pCurrentVS->SetConstant("bitmapSize", GetBitmapSizeF());
// apply textures according to the rendering mode (pixel shaded or not)
ShaderPtr pCurrentPS = video->GetPixelShader();
SetDiffuseTexture(pCurrentPS);
}
bool ETHVertexLightDiffuse::BeginLightPass(ETHSpriteEntity *pRender, Vector3 &v3LightPos, const Vector2 &v2Size,
const ETHLight* light, const float maxHeight, const float minHeight, const float lightIntensity,
const bool drawToTarget)
{
GS2D_UNUSED_ARGUMENT(drawToTarget);
const Vector2 &v2Origin = pRender->ComputeOrigin(v2Size);
const Vector3 &v3EntityPos = pRender->GetPosition();
m_video->SetPixelShader(ShaderPtr());
ShaderPtr pLightShader;
if (pRender->GetType() == ETH_VERTICAL)
{
m_vVertexLightVS->SetConstant(GS_L("spaceLength"), (maxHeight-minHeight));
m_vVertexLightVS->SetConstant(GS_L("topLeft3DPos"), v3EntityPos-(Vector3(v2Origin.x, 0, -v2Origin.y)));
pLightShader = m_vVertexLightVS;
}
else
{
m_hVertexLightVS->SetConstant(GS_L("topLeft3DPos"), v3EntityPos-Vector3(v2Origin, 0));
pLightShader = m_hVertexLightVS;
}
m_video->SetVertexShader(pLightShader);
m_lastAM = m_video->GetAlphaMode();
m_video->SetAlphaMode(GSAM_ADD);
// Set a depth value depending on the entity type
pRender->SetDepth(maxHeight, minHeight);
pLightShader->SetConstant(GS_L("pivotAdjust"), pRender->GetProperties()->pivotAdjust);
pLightShader->SetConstant(GS_L("lightPos"), v3LightPos);
pLightShader->SetConstant(GS_L("lightRange"), light->range);
pLightShader->SetConstant(GS_L("lightColor"), light->color);
pLightShader->SetConstant(GS_L("lightIntensity"), lightIntensity);
return true;
}
bool D3D9Sprite::DrawShapedFast(const Vector2 &v2Pos, const Vector2 &v2Size, const Color& color)
{
if (v2Size == Vector2(0,0))
{
return true;
}
Video* video = m_video.lock().get();
ShaderPtr pCurrentVS = video->GetVertexShader();
// rounds up the final position to avoid alpha distortion
Vector2 v2FinalPos;
if (video->IsRoundingUpPosition())
{
v2FinalPos.x = floor(v2Pos.x);
v2FinalPos.y = floor(v2Pos.y);
}
else
{
v2FinalPos = v2Pos;
}
// subtract 0.5 to align pixel-texel
v2FinalPos -= math::constant::HALF_VECTOR2;
pCurrentVS->SetConstant(L"size", v2Size);
pCurrentVS->SetConstant(L"entityPos", v2FinalPos);
pCurrentVS->SetConstant(L"color0", color);
if (m_rect.size.x == 0 || m_rect.size.y == 0)
{
pCurrentVS->SetConstant(L"rectSize", GetBitmapSizeF());
pCurrentVS->SetConstant(L"rectPos", 0, 0);
}
else
{
pCurrentVS->SetConstant(L"rectSize", m_rect.size);
pCurrentVS->SetConstant(L"rectPos", m_rect.pos);
}
pCurrentVS->SetShader();
// draw the one-pixel-quad applying the vertex shader
m_pVideoInfo->DrawSpriteFast(m_pDevice, m_rectMode);
return true;
}
bool GLSprite::DrawShapedFast(const math::Vector2 &v2Pos, const math::Vector2 &v2Size, const Color& color)
{
if (v2Size == math::Vector2(0,0))
{
return true;
}
GLVideo* video = m_video.lock().get();
ShaderPtr pCurrentVS = video->GetVertexShader();
// rounds up the final position to avoid alpha distortion
math::Vector2 v2FinalPos;
if (video->IsRoundingUpPosition())
{
v2FinalPos.x = floor(v2Pos.x);
v2FinalPos.y = floor(v2Pos.y);
}
else
{
v2FinalPos = v2Pos;
}
pCurrentVS->SetConstant("size", v2Size);
pCurrentVS->SetConstant("entityPos", v2FinalPos);
pCurrentVS->SetConstant("color0", color);
if (m_rect.size.x == 0 || m_rect.size.y == 0)
{
pCurrentVS->SetConstant("rectSize", GetBitmapSizeF());
pCurrentVS->SetConstant("rectPos", 0, 0);
}
else
{
pCurrentVS->SetConstant("rectSize", m_rect.size);
pCurrentVS->SetConstant("rectPos", m_rect.pos);
}
pCurrentVS->SetShader();
video->GetRectRenderer().Draw(m_rectMode);
return true;
}
void D3D9Sprite::BeginFastRendering()
{
Video* video = m_video.lock().get();
video->SetVertexShader(video->GetFontShader());
ShaderPtr pCurrentVS = video->GetVertexShader();
pCurrentVS->SetConstant(L"bitmapSize", GetBitmapSizeF());
// apply textures according to the rendering mode (pixel shaded or not)
ShaderPtr pCurrentPS = video->GetPixelShader();
if (!pCurrentPS)
{
m_pDevice->SetTexture(0, m_pTexture);
//for (unsigned int t=1; t<GS_TEXTURE_CHANNELS; t++)
// pDevice->SetTexture(t, NULL);
}
else
{
pCurrentPS->SetShader();
pCurrentPS->SetTexture(L"diffuse", GetTexture());
}
m_pVideoInfo->BeginFastDraw(m_pDevice, m_rectMode);
}
void GLVideo::UpdateShaderViewData(const ShaderPtr& shader, const math::Vector2& screenSize, const math::Matrix4x4& ortho)
{
shader->SetConstant("screenSize", screenSize);
shader->SetMatrixConstant("viewMatrix", ortho);
}
bool ETHRenderEntity::DrawProjShadow(const float maxHeight, const float minHeight, const ETHSceneProperties& sceneProps, const ETHLight& light, ETHSpriteEntity *pParent,
const bool maxOpacity, const bool drawToTarget, const float targetAngle, const Vector3& v3TargetPos)
{
if (!m_pSprite || IsHidden())
return false;
VideoPtr video = m_provider->GetVideo();
ETHShaderManagerPtr shaderManager = m_provider->GetShaderManager();
SpritePtr pShadow = shaderManager->GetProjShadow();
Vector3 v3LightPos;
Vector3 v3ParentPos(0,0,0);
const Vector3 v3EntityPos = GetPosition();
if (pParent)
{
v3ParentPos = pParent->GetPosition();
v3LightPos = Vector3(v3ParentPos.x, v3ParentPos.y, 0) + light.pos;
}
else
{
v3LightPos = light.pos;
}
// if the object is higher than the light, then the shadow shouldn't be cast on the floor
if (v3LightPos.z < v3EntityPos.z)
{
return true;
}
const float scale = (m_properties.shadowScale <= 0.0f) ? 1.0f : m_properties.shadowScale;
const float opacity = (m_properties.shadowOpacity <= 0.0f) ? 1.0f : m_properties.shadowOpacity;
const Vector2 v2Size = GetCurrentSize();
Vector2 v2ShadowSize(v2Size.x, v2Size.y);
Vector2 v2ShadowPos(v3EntityPos.x, v3EntityPos.y);
// if we are drawing to a target of a rotated entity
if (drawToTarget && targetAngle != 0)
{
// rotate the shadow position according to entity angle
Matrix4x4 matRot = RotateZ(-DegreeToRadian(targetAngle));
Vector3 newShadowPos(v2ShadowPos, 0);
newShadowPos = newShadowPos - v3TargetPos;
newShadowPos = Multiply(newShadowPos, matRot);
newShadowPos = newShadowPos + v3TargetPos;
v2ShadowPos.x = newShadowPos.x;
v2ShadowPos.y = newShadowPos.y;
// rotate the light source to cast it correctly
Vector3 newPos = v3LightPos - v3TargetPos;
newPos = Multiply(newPos, matRot);
v3LightPos = newPos + v3TargetPos;
}
Vector3 diff = v3EntityPos - v3LightPos;
const float squaredDist = DP3(diff, diff);
float squaredRange = light.range * light.range;
if (squaredDist > squaredRange)
{
return true;
}
v2ShadowSize.x *= _ETH_SHADOW_SCALEX * scale;
// calculate the correct shadow length according to the light height
if ((GetPosition().z+v2Size.y) < light.pos.z) // if the light is over the entity
{
const float planarDist = Distance(GetPositionXY(), ETHGlobal::ToVector2(v3LightPos));
const float verticalDist = Abs((v3EntityPos.z+v2Size.y)-v3LightPos.z);
const float totalDist = (planarDist/verticalDist)*Abs(v3LightPos.z);
v2ShadowSize.y = totalDist-planarDist;
// clamp shadow length to the object's height. This is not realistic
// but it looks better for the real-time shadows.
v2ShadowSize.y = Min(v2Size.y*_ETH_SHADOW_FAKE_STRETCH, v2ShadowSize.y);
}
else
{
v2ShadowSize.y *= ((drawToTarget) ? _ETH_SHADOW_SCALEY : _ETH_SHADOW_SCALEY/4);
}
// specify a minimum length for the shadow
v2ShadowSize.y = Max(v2ShadowSize.y, v2Size.y);
ShaderPtr pVS = video->GetVertexShader();
pVS->SetConstant(GS_L("shadowLength"), v2ShadowSize.y * m_properties.shadowLengthScale);
pVS->SetConstant(GS_L("entityZ"), Max(m_shadowZ, v3EntityPos.z));
pVS->SetConstant(GS_L("shadowZ"), m_shadowZ);
pVS->SetConstant(GS_L("lightPos"), v3LightPos);
video->SetSpriteDepth(
(GetType() == ETHEntityProperties::ET_VERTICAL) ?
ETHEntity::ComputeDepth(m_shadowZ, maxHeight, minHeight)
: Max(0.0f, ComputeDepth(maxHeight, minHeight) - m_layrableMinimumDepth));
v2ShadowSize.y = 1.0f;
Vector2 lightPos2(v3LightPos.x, v3LightPos.y);
const float shadowAngle = ::GetAngle((lightPos2 - Vector2(v3EntityPos.x, v3EntityPos.y))) + DegreeToRadian(targetAngle);
squaredRange = Max(squaredDist, squaredRange);
float attenBias = 1;
// adjust brightness according to ambient light
if (!maxOpacity)
{
attenBias = (1-(squaredDist/squaredRange));
//fade the color according to the light brightness
const float colorLen = Max(Max(light.color.x, light.color.y), light.color.z);
attenBias *= Min(colorLen, 1.0f);
//fade the color according to the ambient light brightness
const Vector3 &ambientColor = sceneProps.ambient;
const float ambientColorLen = 1.0f-((ambientColor.x + ambientColor.y + ambientColor.z)/3.0f);
attenBias = Min(attenBias*ambientColorLen, 1.0f);
attenBias *= Max(Min((1-(GetPosition().z/Max(GetCurrentSize().y, 1.0f))), 1.0f), 0.0f);
}
GS_BYTE alpha = static_cast<GS_BYTE>(attenBias*255.0f*opacity);
if (alpha < 8)
return true;
Color dwShadowColor(alpha,255,255,255);
pShadow->SetOrigin(Vector2(0.5f, 0.79f));
pShadow->SetRectMode(Sprite::RM_THREE_TRIANGLES);
pShadow->DrawShaped(v2ShadowPos, v2ShadowSize,
dwShadowColor, dwShadowColor, dwShadowColor, dwShadowColor,
RadianToDegree(shadowAngle));
return true;
}
bool ETHPixelLightDiffuseSpecular::BeginLightPass(ETHSpriteEntity *pRender, Vector3 &v3LightPos, const Vector2 &v2Size,
const ETHLight* light, const float maxHeight, const float minHeight, const float lightIntensity, const bool drawToTarget)
{
const Vector2 &v2Origin = pRender->ComputeOrigin(v2Size);
const Vector3 &v3EntityPos = pRender->GetPosition();
// set the correct light shader
ShaderPtr pLightShader;
const bool hasGloss = pRender->GetGloss();
if (pRender->GetType() == ETH_VERTICAL)
{
if (hasGloss)
{
pLightShader = m_vPixelLightSpecularPS;
}
else
{
pLightShader = m_vPixelLightPS;
}
}
else
{
if (hasGloss)
{
pLightShader = m_hPixelLightSpecularPS;
}
else
{
pLightShader = m_hPixelLightPS;
}
}
// if it has a gloss map, send specular data to shader
if (hasGloss)
{
pLightShader->SetConstant(GS_L("specularPower"), pRender->GetSpecularPower());
pLightShader->SetConstant(GS_L("specularBrightness"), pRender->GetSpecularBrightness());
pLightShader->SetTexture(GS_L("glossMap"), pRender->GetGloss()->GetTexture());
pLightShader->SetConstant(GS_L("fakeEyePos"), m_fakeEyeManager->ComputeFakeEyePosition(m_video, pLightShader, drawToTarget, v3LightPos, pRender->GetAngle()));
}
// choose which normalmap to use
m_video->SetPixelShader(pLightShader);
if (pRender->GetNormal())
{
pLightShader->SetTexture(GS_L("normalMap"), pRender->GetNormal()->GetTexture());
}
else
{
pLightShader->SetTexture(GS_L("normalMap"), GetDefaultNormalMap()->GetTexture());
}
// sets spatial information to the shader
if (pRender->GetType() == ETH_VERTICAL)
{
m_vPixelLightVS->SetConstant(GS_L("spaceLength"), (maxHeight-minHeight));
m_vPixelLightVS->SetConstant(GS_L("topLeft3DPos"), v3EntityPos-(Vector3(v2Origin.x,0,-v2Origin.y)));
m_video->SetVertexShader(m_vPixelLightVS);
}
else
{
m_hPixelLightVS->SetConstant(GS_L("topLeft3DPos"), v3EntityPos-Vector3(v2Origin,0));
m_video->SetVertexShader(m_hPixelLightVS);
}
const Vector2 v2ScreenDim = (drawToTarget) ? pRender->GetLightmap()->GetBitmapSizeF() : m_video->GetScreenSizeF();
if (pRender->GetType() != ETH_VERTICAL)
{
if (pRender->GetAngle() != 0.0f)
{
Vector3 newPos = v3LightPos-v3EntityPos;
Matrix4x4 matRot = RotateZ(-DegreeToRadian(pRender->GetAngle()));
newPos = Multiply(newPos, matRot);
v3LightPos = newPos + v3EntityPos;
}
}
m_lastAM = m_video->GetAlphaMode();
m_video->SetAlphaMode(GSAM_ADD);
// Set a depth value depending on the entity type
pRender->SetDepth(maxHeight, minHeight);
pLightShader->SetConstant(GS_L("lightPos"), v3LightPos);
pLightShader->SetConstant(GS_L("squaredRange"), light->range * light->range);
pLightShader->SetConstant(GS_L("lightColor"), Vector4(light->color, 1.0f) * lightIntensity);
return true;
}
bool ETHPixelLightDiffuseSpecular::BeginLightPass(ETHSpriteEntity *pRender, Vector3 &v3LightPos, const Vector2 &v2Size,
const ETHLight* light, const float maxHeight, const float minHeight, const float lightIntensity, const bool drawToTarget)
{
const Vector2 &v2Origin = pRender->ComputeAbsoluteOrigin(v2Size);
const Vector3 &v3EntityPos = pRender->GetPosition();
// set the correct light shader
ShaderPtr pLightShader;
const bool hasGloss = pRender->GetGloss();
if (pRender->GetType() == ETHEntityProperties::ET_VERTICAL)
{
if (hasGloss)
{
pLightShader = m_vPixelLightSpecularPS;
}
else
{
pLightShader = m_vPixelLightPS;
}
}
else
{
if (hasGloss)
{
pLightShader = m_hPixelLightSpecularPS;
}
else
{
pLightShader = m_hPixelLightPS;
}
}
// if it has a gloss map, send specular data to shader
if (hasGloss)
{
pLightShader->SetConstant(GS_L("specularPower"), pRender->GetSpecularPower());
pLightShader->SetConstant(GS_L("specularBrightness"), pRender->GetSpecularBrightness());
pLightShader->SetTexture(GS_L("glossMap"), pRender->GetGloss()->GetTexture());
pLightShader->SetConstant(GS_L("fakeEyePos"), m_fakeEyeManager->ComputeFakeEyePosition(m_video, pLightShader, drawToTarget, v3LightPos, pRender->GetAngle()));
}
// choose which normalmap to use
m_video->SetPixelShader(pLightShader);
if (pRender->GetNormal())
{
pLightShader->SetTexture(GS_L("normalMap"), pRender->GetNormal()->GetTexture());
}
else
{
pLightShader->SetTexture(GS_L("normalMap"), GetDefaultNormalMap()->GetTexture());
}
// sets spatial information to the shader
if (pRender->GetType() == ETHEntityProperties::ET_VERTICAL)
{
m_vPixelLightVS->SetConstant(GS_L("spaceLength"), (maxHeight-minHeight));
m_vPixelLightVS->SetConstant(GS_L("topLeft3DPos"), v3EntityPos-(Vector3(v2Origin.x,0,-v2Origin.y)));
m_video->SetVertexShader(m_vPixelLightVS);
}
else
{
m_hPixelLightVS->SetConstant(GS_L("topLeft3DPos"), v3EntityPos-Vector3(v2Origin,0));
m_video->SetVertexShader(m_hPixelLightVS);
}
// TO-DO it looks like a mess around here...
if (pRender->GetType() != ETHEntityProperties::ET_VERTICAL)
{
if (pRender->GetAngle() != 0.0f)
{
Vector3 newPos = v3LightPos-v3EntityPos;
Matrix4x4 matRot = RotateZ(-DegreeToRadian(pRender->GetAngle()));
newPos = Multiply(newPos, matRot);
v3LightPos = newPos + v3EntityPos;
}
}
m_lastAM = m_video->GetAlphaMode();
m_video->SetAlphaMode(Video::AM_ADD);
// Set a depth value depending on the entity type
pRender->SetDepth(maxHeight, minHeight);
// downscales pixel shader ranges on android to prevent from lower precision glitches
float lightPrecisionDownScale = 1.0f;
#ifdef GLES2
lightPrecisionDownScale = LIGHT_PRECISION_DOWNSCALE;
#endif
pLightShader->SetConstant(GS_L("lightPos"), v3LightPos * lightPrecisionDownScale);
const float scaledRange = (light->range * lightPrecisionDownScale);
pLightShader->SetConstant(GS_L("squaredRange"), scaledRange * scaledRange);
pLightShader->SetConstant(GS_L("lightColor"), Vector4(light->color, 1.0f) * lightIntensity);
return true;
}
bool D3D9Sprite::DrawShaped(
const Vector2& v2Pos,
const Vector2& v2Size,
const Color& color0,
const Color& color1,
const Color& color2,
const Color& color3,
const float angle)
{
if (v2Size == Vector2(0,0))
{
return true;
}
// do the flip (parameters that will be send to the VS)
Vector2 flipMul(1,1), flipAdd(0,0);
if (m_flipX)
{
flipMul.x =-1;
flipAdd.x = 1;
}
if (m_flipY)
{
flipMul.y =-1;
flipAdd.y = 1;
}
// centralizes the sprite according to the origin
Vector2 v2Center = m_normalizedOrigin*v2Size;
Video* video = m_video.lock().get();
ShaderPtr pCurrentVS = video->GetVertexShader();
Matrix4x4 mRot;
if (angle != 0.0f)
mRot = RotateZ(DegreeToRadian(angle));
pCurrentVS->SetMatrixConstant(L"rotationMatrix", mRot);
// rounds up the final position to avoid alpha distortion
Vector2 v2FinalPos;
if (video->IsRoundingUpPosition())
{
v2FinalPos.x = floor(v2Pos.x);
v2FinalPos.y = floor(v2Pos.y);
}
else
{
v2FinalPos = v2Pos;
}
// subtract 0.5 to align pixel-texel
v2FinalPos -= math::constant::HALF_VECTOR2;
pCurrentVS->SetConstant(L"size", v2Size);
pCurrentVS->SetConstant(L"entityPos", v2FinalPos);
pCurrentVS->SetConstant(L"center", v2Center);
pCurrentVS->SetConstant(L"flipMul", flipMul);
pCurrentVS->SetConstant(L"flipAdd", flipAdd);
pCurrentVS->SetConstant(L"bitmapSize", GetBitmapSizeF());
pCurrentVS->SetConstant(L"scroll", GetScroll());
pCurrentVS->SetConstant(L"multiply", GetMultiply());
const bool setCameraPos = pCurrentVS->ConstantExist(L"cameraPos");
if (setCameraPos)
pCurrentVS->SetConstant(L"cameraPos", video->GetCameraPos());
if (m_rect.size.x == 0 || m_rect.size.y == 0)
{
pCurrentVS->SetConstant(L"rectSize", GetBitmapSizeF());
pCurrentVS->SetConstant(L"rectPos", 0, 0);
}
else
{
pCurrentVS->SetConstant(L"rectSize", m_rect.size);
pCurrentVS->SetConstant(L"rectPos", m_rect.pos);
}
pCurrentVS->SetConstant(L"color0", color0);
pCurrentVS->SetConstant(L"color1", color1);
pCurrentVS->SetConstant(L"color2", color2);
pCurrentVS->SetConstant(L"color3", color3);
if (pCurrentVS->ConstantExist(L"depth"))
pCurrentVS->SetConstant(L"depth", video->GetSpriteDepth());
pCurrentVS->SetShader();
// apply textures according to the rendering mode (pixel shaded or not)
ShaderPtr pCurrentPS = video->GetPixelShader();
if (!pCurrentPS)
{
m_pDevice->SetTexture(0, m_pTexture);
//for (unsigned int t=1; t<GS_TEXTURE_CHANNELS; t++)
// pDevice->SetTexture(t, NULL);
}
else
{
pCurrentPS->SetShader();
pCurrentPS->SetTexture(L"diffuse", GetTexture());
}
// draw the one-pixel-quad applying the vertex shader
m_pVideoInfo->DrawSprite(m_pDevice, m_rectMode);
m_pDevice->SetVertexShader(NULL);
return true;
}
bool GLSprite::DrawShaped(
const math::Vector2 &v2Pos,
const math::Vector2 &v2Size,
const Color& color0,
const Color& color1,
const Color& color2,
const Color& color3,
const float angle)
{
if (v2Size == math::Vector2(0,0))
{
return true;
}
// compute flip parameters that will be sent to the VS
math::Vector2 flipMul, flipAdd;
GetFlipShaderParameters(flipAdd, flipMul);
// centralizes the sprite according to the origin
math::Vector2 v2Center = m_normalizedOrigin * v2Size;
GLVideo* video = m_video.lock().get();
ShaderPtr pCurrentVS = video->GetVertexShader();
math::Matrix4x4 mRot;
if (angle != 0.0f)
mRot = math::RotateZ(math::DegreeToRadian(angle));
pCurrentVS->SetMatrixConstant("rotationMatrix", mRot);
// rounds up the final position to avoid alpha distortion
math::Vector2 v2FinalPos;
if (video->IsRoundingUpPosition())
{
v2FinalPos.x = floor(v2Pos.x);
v2FinalPos.y = floor(v2Pos.y);
}
else
{
v2FinalPos = v2Pos;
}
pCurrentVS->SetConstant("size", v2Size);
pCurrentVS->SetConstant("entityPos", v2FinalPos);
pCurrentVS->SetConstant("center", v2Center);
pCurrentVS->SetConstant("flipMul", flipMul);
pCurrentVS->SetConstant("flipAdd", flipAdd);
pCurrentVS->SetConstant("bitmapSize", GetBitmapSizeF());
pCurrentVS->SetConstant("scroll", GetScroll());
pCurrentVS->SetConstant("multiply", GetMultiply());
const bool setCameraPos = pCurrentVS->ConstantExist("cameraPos");
if (setCameraPos)
pCurrentVS->SetConstant("cameraPos", video->GetCameraPos());
if (m_rect.size.x == 0 || m_rect.size.y == 0)
{
pCurrentVS->SetConstant("rectSize", GetBitmapSizeF());
pCurrentVS->SetConstant("rectPos", 0, 0);
}
else
{
pCurrentVS->SetConstant("rectSize", m_rect.size);
pCurrentVS->SetConstant("rectPos", m_rect.pos);
}
pCurrentVS->SetConstant("color0", color0);
pCurrentVS->SetConstant("color1", color1);
pCurrentVS->SetConstant("color2", color2);
pCurrentVS->SetConstant("color3", color3);
if (pCurrentVS->ConstantExist("depth"))
pCurrentVS->SetConstant("depth", video->GetSpriteDepth());
// apply textures according to the rendering mode (pixel shaded or not)
ShaderPtr pCurrentPS = video->GetPixelShader();
SetDiffuseTexture(pCurrentPS);
pCurrentVS->SetShader();
// draw the one-pixel-quad applying the vertex shader
video->GetRectRenderer().Draw(m_rectMode);
return true;
}