0ad/source/simulation2/components/CCmpTerrain.cpp
wraitii e2f4379e9a Fix an issue with corruption of water data when the actor editor opened in Atlas.
Potential marginal optimizations to the water data creation code.

This was SVN commit r14784.
2014-02-25 06:27:15 +00:00

151 lines
3.8 KiB
C++

/* Copyright (C) 2013 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "simulation2/system/Component.h"
#include "ICmpTerrain.h"
#include "ICmpObstructionManager.h"
#include "ICmpRangeManager.h"
#include "simulation2/MessageTypes.h"
#include "graphics/Terrain.h"
#include "renderer/Renderer.h"
#include "renderer/WaterManager.h"
#include "maths/Vector3D.h"
class CCmpTerrain : public ICmpTerrain
{
public:
static void ClassInit(CComponentManager& UNUSED(componentManager))
{
}
DEFAULT_COMPONENT_ALLOCATOR(Terrain)
CTerrain* m_Terrain; // not null
static std::string GetSchema()
{
return "<a:component type='system'/><empty/>";
}
virtual void Init(const CParamNode& UNUSED(paramNode))
{
m_Terrain = &GetSimContext().GetTerrain();
}
virtual void Deinit()
{
}
virtual void Serialize(ISerializer& UNUSED(serialize))
{
}
virtual void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize))
{
Init(paramNode);
}
virtual bool IsLoaded()
{
return m_Terrain->GetVerticesPerSide() != 0;
}
virtual CFixedVector3D CalcNormal(entity_pos_t x, entity_pos_t z)
{
CFixedVector3D normal;
m_Terrain->CalcNormalFixed((x / (int)TERRAIN_TILE_SIZE).ToInt_RoundToZero(), (z / (int)TERRAIN_TILE_SIZE).ToInt_RoundToZero(), normal);
return normal;
}
virtual CVector3D CalcExactNormal(float x, float z)
{
return m_Terrain->CalcExactNormal(x, z);
}
virtual entity_pos_t GetGroundLevel(entity_pos_t x, entity_pos_t z)
{
// TODO: this can crash if the terrain heightmap isn't initialised yet
return m_Terrain->GetExactGroundLevelFixed(x, z);
}
virtual float GetExactGroundLevel(float x, float z)
{
return m_Terrain->GetExactGroundLevel(x, z);
}
virtual u16 GetTilesPerSide()
{
ssize_t tiles = m_Terrain->GetTilesPerSide();
ENSURE(1 <= tiles && tiles <= 65535);
return (u16)tiles;
}
virtual u16 GetVerticesPerSide()
{
ssize_t vertices = m_Terrain->GetVerticesPerSide();
ENSURE(1 <= vertices && vertices <= 65535);
return (u16)vertices;
}
virtual CTerrain* GetCTerrain()
{
return m_Terrain;
}
virtual void ReloadTerrain(bool ReloadWater)
{
// TODO: should refactor this code to be nicer
u16 tiles = GetTilesPerSide();
u16 vertices = GetVerticesPerSide();
CmpPtr<ICmpObstructionManager> cmpObstructionManager(GetSystemEntity());
if (cmpObstructionManager)
{
cmpObstructionManager->SetBounds(entity_pos_t::Zero(), entity_pos_t::Zero(),
entity_pos_t::FromInt(tiles*(int)TERRAIN_TILE_SIZE),
entity_pos_t::FromInt(tiles*(int)TERRAIN_TILE_SIZE));
}
CmpPtr<ICmpRangeManager> cmpRangeManager(GetSystemEntity());
if (cmpRangeManager)
{
cmpRangeManager->SetBounds(entity_pos_t::Zero(), entity_pos_t::Zero(),
entity_pos_t::FromInt(tiles*(int)TERRAIN_TILE_SIZE),
entity_pos_t::FromInt(tiles*(int)TERRAIN_TILE_SIZE),
vertices);
}
if (ReloadWater && CRenderer::IsInitialised())
g_Renderer.GetWaterManager()->SetMapSize(vertices);
MakeDirty(0, 0, tiles+1, tiles+1);
}
virtual void MakeDirty(i32 i0, i32 j0, i32 i1, i32 j1)
{
CMessageTerrainChanged msg(i0, j0, i1, j1);
GetSimContext().GetComponentManager().PostMessage(GetEntityId(), msg);
}
};
REGISTER_COMPONENT_TYPE(Terrain)