141 lines
3.5 KiB
C++
141 lines
3.5 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "simulation2/system/Component.h"
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#include "ICmpTerrain.h"
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#include "ICmpObstructionManager.h"
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#include "ICmpRangeManager.h"
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#include "simulation2/MessageTypes.h"
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#include "graphics/Terrain.h"
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class CCmpTerrain : public ICmpTerrain
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{
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public:
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static void ClassInit(CComponentManager& UNUSED(componentManager))
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{
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}
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DEFAULT_COMPONENT_ALLOCATOR(Terrain)
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CTerrain* m_Terrain; // not null
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static std::string GetSchema()
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{
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return "<a:component type='system'/><empty/>";
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}
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virtual void Init(const CParamNode& UNUSED(paramNode))
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{
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m_Terrain = &GetSimContext().GetTerrain();
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}
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virtual void Deinit()
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{
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}
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virtual void Serialize(ISerializer& UNUSED(serialize))
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{
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}
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virtual void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize))
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{
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Init(paramNode);
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}
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virtual bool IsLoaded()
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{
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return m_Terrain->GetVerticesPerSide() != 0;
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}
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virtual CFixedVector3D CalcNormal(entity_pos_t x, entity_pos_t z)
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{
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CFixedVector3D normal;
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m_Terrain->CalcNormalFixed((x / (int)CELL_SIZE).ToInt_RoundToZero(), (z / (int)CELL_SIZE).ToInt_RoundToZero(), normal);
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return normal;
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}
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virtual entity_pos_t GetGroundLevel(entity_pos_t x, entity_pos_t z)
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{
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// TODO: this can crash if the terrain heightmap isn't initialised yet
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return m_Terrain->GetExactGroundLevelFixed(x, z);
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}
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virtual float GetExactGroundLevel(float x, float z)
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{
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return m_Terrain->GetExactGroundLevel(x, z);
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}
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virtual u16 GetTilesPerSide()
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{
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ssize_t tiles = m_Terrain->GetTilesPerSide();
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ENSURE(1 <= tiles && tiles <= 65535);
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return (u16)tiles;
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}
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virtual u16 GetVerticesPerSide()
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{
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ssize_t vertices = m_Terrain->GetVerticesPerSide();
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ENSURE(1 <= vertices && vertices <= 65535);
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return (u16)vertices;
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}
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virtual CTerrain* GetCTerrain()
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{
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return m_Terrain;
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}
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virtual void ReloadTerrain()
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{
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// TODO: should refactor this code to be nicer
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u16 tiles = GetTilesPerSide();
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u16 vertices = GetVerticesPerSide();
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CmpPtr<ICmpObstructionManager> cmpObstructionManager(GetSimContext(), SYSTEM_ENTITY);
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if (!cmpObstructionManager.null())
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{
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cmpObstructionManager->SetBounds(entity_pos_t::Zero(), entity_pos_t::Zero(),
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entity_pos_t::FromInt(tiles*(int)CELL_SIZE),
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entity_pos_t::FromInt(tiles*(int)CELL_SIZE));
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}
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CmpPtr<ICmpRangeManager> cmpRangeManager(GetSimContext(), SYSTEM_ENTITY);
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if (!cmpRangeManager.null())
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{
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cmpRangeManager->SetBounds(entity_pos_t::Zero(), entity_pos_t::Zero(),
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entity_pos_t::FromInt(tiles*(int)CELL_SIZE),
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entity_pos_t::FromInt(tiles*(int)CELL_SIZE),
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vertices);
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}
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MakeDirty(0, 0, tiles+1, tiles+1);
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}
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virtual void MakeDirty(i32 i0, i32 j0, i32 i1, i32 j1)
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{
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CMessageTerrainChanged msg(i0, j0, i1, j1);
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GetSimContext().GetComponentManager().PostMessage(GetEntityId(), msg);
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}
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};
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REGISTER_COMPONENT_TYPE(Terrain)
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