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-rw-r--r--src/graphics/common/light.cpp416
1 files changed, 0 insertions, 416 deletions
diff --git a/src/graphics/common/light.cpp b/src/graphics/common/light.cpp
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--- a/src/graphics/common/light.cpp
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@@ -1,416 +0,0 @@
-// * This file is part of the COLOBOT source code
-// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
-// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
-// *
-// * This program is free software: you can redistribute it and/or modify
-// * it under the terms of the GNU General Public License as published by
-// * the Free Software Foundation, either version 3 of the License, or
-// * (at your option) any later version.
-// *
-// * This program is distributed in the hope that it will be useful,
-// * but WITHOUT ANY WARRANTY; without even the implied warranty of
-// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// * GNU General Public License for more details.
-// *
-// * You should have received a copy of the GNU General Public License
-// * along with this program. If not, see http://www.gnu.org/licenses/.
-
-// light.cpp
-
-#include "graphics/common/light.h"
-
-#include "common/iman.h"
-#include "graphics/common/device.h"
-#include "math/geometry.h"
-
-#include <cmath>
-
-
-void Gfx::LightProgression::Init(float value)
-{
- starting = value;
- ending = value;
- current = value;
- progress = 0.0f;
- speed = 100.0f;
-}
-
-void Gfx::LightProgression::Update(float rTime)
-{
- if (speed < 100.0f)
- {
- if (progress < 1.0f)
- {
- progress += speed * rTime;
- if (progress > 1.0f)
- progress = 1.0f;
- }
-
- current = starting + progress * (ending - starting);
- }
- else
- {
- current = ending;
- }
-}
-
-void Gfx::LightProgression::SetTarget(float value)
-{
- starting = current;
- ending = value;
- progress = 0.0f;
-}
-
-
-Gfx::DynamicLight::DynamicLight()
-{
- used = enabled = false;
-}
-
-
-
-Gfx::CLightManager::CLightManager(CInstanceManager* iMan, Gfx::CEngine* engine)
-{
- m_iMan = iMan;
- m_iMan->AddInstance(CLASS_LIGHT, this);
-
- m_device = NULL;
- m_engine = engine;
-
- m_time = 0.0f;
-}
-
-Gfx::CLightManager::~CLightManager()
-{
- m_iMan->DeleteInstance(CLASS_LIGHT, this);
-
- m_iMan = NULL;
- m_device = NULL;
- m_engine = NULL;
-}
-
-void Gfx::CLightManager::SetDevice(Gfx::CDevice* device)
-{
- m_device = device;
-
- m_dynLights = std::vector<Gfx::DynamicLight>(m_device->GetMaxLightCount(), Gfx::DynamicLight());
-}
-
-void Gfx::CLightManager::FlushLights()
-{
- for (int i = 0; i < static_cast<int>( m_dynLights.size() ); i++)
- {
- m_dynLights[i].used = false;
- m_device->SetLightEnabled(i, false);
- }
-}
-
-/** Returns the index of light created or -1 if all lights are used. */
-int Gfx::CLightManager::CreateLight()
-{
- for (int i = 0; i < static_cast<int>( m_dynLights.size() ); i++)
- {
- if (m_dynLights[i].used) continue;
-
- m_dynLights[i] = Gfx::DynamicLight();
-
- m_dynLights[i].used = true;
- m_dynLights[i].enabled = true;
-
- m_dynLights[i].includeType = Gfx::ENG_OBJTYPE_NULL;
- m_dynLights[i].excludeType = Gfx::ENG_OBJTYPE_NULL;
-
- m_dynLights[i].light.type = Gfx::LIGHT_DIRECTIONAL;
- m_dynLights[i].light.diffuse = Gfx::Color(0.5f, 0.5f, 0.5f);
- m_dynLights[i].light.position = Math::Vector(-100.0f, 100.0f, -100.0f);
- m_dynLights[i].light.direction = Math::Vector( 1.0f, -1.0f, 1.0f);
-
- m_dynLights[i].intensity.Init(1.0f); // maximum
- m_dynLights[i].colorRed.Init(0.5f);
- m_dynLights[i].colorGreen.Init(0.5f);
- m_dynLights[i].colorBlue.Init(0.5f); // gray
-
- return i;
- }
-
- return -1;
-}
-
-bool Gfx::CLightManager::DeleteLight(int lightRank)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].used = false;
- m_device->SetLightEnabled(lightRank, false);
-
- return true;
-}
-
-// Specifies a light.
-
-bool Gfx::CLightManager::SetLight(int lightRank, const Gfx::Light &light)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].light = light;
-
- m_dynLights[lightRank].colorRed.Init(m_dynLights[lightRank].light.diffuse.r);
- m_dynLights[lightRank].colorGreen.Init(m_dynLights[lightRank].light.diffuse.g);
- m_dynLights[lightRank].colorBlue.Init(m_dynLights[lightRank].light.diffuse.b);
-
- return true;
-}
-
-bool Gfx::CLightManager::GetLight(int lightRank, Gfx::Light &light)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- light = m_dynLights[lightRank].light;
- return true;
-}
-
-bool Gfx::CLightManager::SetLightEnabled(int lightRank, bool enabled)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].enabled = enabled;
- return true;
-}
-
-bool Gfx::CLightManager::SetLightIncludeType(int lightRank, Gfx::EngineObjectType type)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].includeType = type;
- return true;
-}
-
-bool Gfx::CLightManager::SetLightExcludeType(int lightRank, Gfx::EngineObjectType type)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].excludeType = type;
- return true;
-}
-
-bool Gfx::CLightManager::SetLightPos(int lightRank, const Math::Vector &pos)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].light.position = pos;
- return true;
-}
-
-Math::Vector Gfx::CLightManager::GetLightPos(int lightRank)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return Math::Vector(0.0f, 0.0f, 0.0f);
-
- return m_dynLights[lightRank].light.position;
-}
-
-bool Gfx::CLightManager::SetLightDir(int lightRank, const Math::Vector &dir)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].light.direction = dir;
- return true;
-}
-
-Math::Vector Gfx::CLightManager::GetLightDir(int lightRank)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return Math::Vector(0.0f, 0.0f, 0.0f);
-
- return m_dynLights[lightRank].light.direction;
-}
-
-bool Gfx::CLightManager::SetLightIntensitySpeed(int lightRank, float speed)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].intensity.speed = speed;
- return true;
-}
-
-bool Gfx::CLightManager::SetLightIntensity(int lightRank, float value)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].intensity.SetTarget(value);
- return true;
-}
-
-float Gfx::CLightManager::GetLightIntensity(int lightRank)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return 0.0f;
-
- return m_dynLights[lightRank].intensity.current;
-}
-
-
-bool Gfx::CLightManager::SetLightColorSpeed(int lightRank, float speed)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].colorRed.speed = speed;
- m_dynLights[lightRank].colorGreen.speed = speed;
- m_dynLights[lightRank].colorBlue.speed = speed;
- return true;
-}
-
-bool Gfx::CLightManager::SetLightColor(int lightRank, const Gfx::Color &color)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return false;
-
- m_dynLights[lightRank].colorRed.SetTarget(color.r);
- m_dynLights[lightRank].colorGreen.SetTarget(color.g);
- m_dynLights[lightRank].colorBlue.SetTarget(color.b);
- return true;
-}
-
-Gfx::Color Gfx::CLightManager::GetLightColor(int lightRank)
-{
- if ( (lightRank < 0) || (lightRank >= static_cast<int>( m_dynLights.size() )) )
- return Gfx::Color(0.5f, 0.5f, 0.5f, 0.5f);
-
- Gfx::Color color;
- color.r = m_dynLights[lightRank].colorRed.current;
- color.g = m_dynLights[lightRank].colorGreen.current;
- color.b = m_dynLights[lightRank].colorBlue.current;
- return color;
-}
-
-void Gfx::CLightManager::AdaptLightColor(const Gfx::Color &color, float factor)
-{
- for (int i = 0; i < static_cast<int>( m_dynLights.size() ); i++)
- {
- if (! m_dynLights[i].used)
- continue;
-
- Gfx::Color value;
- value.r = m_dynLights[i].colorRed.current;
- value.g = m_dynLights[i].colorGreen.current;
- value.b = m_dynLights[i].colorBlue.current;
-
- value.r += color.r * factor;
- value.g += color.g * factor;
- value.b += color.b * factor;
-
- m_dynLights[i].colorRed.Init(value.r);
- m_dynLights[i].colorGreen.Init(value.g);
- m_dynLights[i].colorBlue.Init(value.b);
- }
-
- UpdateLights();
-}
-
-void Gfx::CLightManager::UpdateProgression(float rTime)
-{
- if (m_engine->GetPause())
- return;
-
- m_time += rTime;
-
- for (int i = 0; i < static_cast<int>( m_dynLights.size() ); i++)
- {
- if (! m_dynLights[i].used)
- continue;
-
- m_dynLights[i].intensity.Update(rTime);
- m_dynLights[i].colorRed.Update(rTime);
- m_dynLights[i].colorGreen.Update(rTime);
- m_dynLights[i].colorBlue.Update(rTime);
-
- if (m_dynLights[i].includeType == Gfx::ENG_OBJTYPE_QUARTZ)
- {
- m_dynLights[i].light.direction.x = sinf(1.0f * (m_time + i*Math::PI*0.5f));
- m_dynLights[i].light.direction.z = cosf(1.1f * (m_time + i*Math::PI*0.5f));
- m_dynLights[i].light.direction.y = -1.0f + 0.5f * cosf((m_time + i*Math::PI*0.5f)*2.7f);
- }
-
- if (m_dynLights[i].includeType == Gfx::ENG_OBJTYPE_METAL)
- {
- Math::Vector dir = m_engine->GetEyePt() - m_engine->GetLookatPt();
- float angle = Math::RotateAngle(dir.x, dir.z);
- angle += Math::PI * 0.5f * i;
- m_dynLights[i].light.direction.x = sinf(2.0f * angle);
- m_dynLights[i].light.direction.z = cosf(2.0f * angle);
- }
- }
-}
-
-
-void Gfx::CLightManager::UpdateLights()
-{
- for (int i = 0; i < static_cast<int>( m_dynLights.size() ); i++)
- {
- if (! m_dynLights[i].used)
- continue;
-
- bool enabled = m_dynLights[i].enabled;
- if (m_dynLights[i].intensity.current == 0.0f)
- enabled = false;
-
- if (enabled)
- {
- float value = m_dynLights[i].colorRed.current * m_dynLights[i].intensity.current;
- m_dynLights[i].light.diffuse.r = value;
-
- value = m_dynLights[i].colorGreen.current * m_dynLights[i].intensity.current;
- m_dynLights[i].light.diffuse.g = value;
-
- value = m_dynLights[i].colorBlue.current * m_dynLights[i].intensity.current;
- m_dynLights[i].light.diffuse.b = value;
-
- m_device->SetLight(i, m_dynLights[i].light);
- m_device->SetLightEnabled(i, enabled);
- }
- else
- {
- m_dynLights[i].light.diffuse.r = 0.0f;
- m_dynLights[i].light.diffuse.g = 0.0f;
- m_dynLights[i].light.diffuse.b = 0.0f;
-
- m_device->SetLightEnabled(i, enabled);
- }
- }
-}
-
-void Gfx::CLightManager::UpdateLightsEnableState(Gfx::EngineObjectType type)
-{
- for (int i = 0; i < static_cast<int>( m_dynLights.size() ); i++)
- {
- if (! m_dynLights[i].used)
- continue;
- if (! m_dynLights[i].enabled)
- continue;
- if (m_dynLights[i].intensity.current == 0.0f)
- continue;
-
- if (m_dynLights[i].includeType != Gfx::ENG_OBJTYPE_NULL)
- {
- bool enabled = (m_dynLights[i].includeType == type);
- m_device->SetLightEnabled(i, enabled);
- }
-
- if (m_dynLights[i].excludeType != Gfx::ENG_OBJTYPE_NULL)
- {
- bool enabled = (m_dynLights[i].excludeType != type);
- m_device->SetLightEnabled(i, enabled);
- }
- }
-}
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