C4Material.cpp File Reference

#include "C4Include.h"
#include "landscape/C4Material.h"
#include "c4group/C4Components.h"
#include "c4group/C4Group.h"
#include "editor/C4ToolsDlg.h"
#include "game/C4Physics.h"
#include "landscape/C4PXS.h"
#include "landscape/C4Texture.h"
#include "landscape/C4Landscape.h"
#include "lib/C4Random.h"
#include "platform/C4SoundSystem.h"
#include "script/C4Aul.h"
#include "script/C4Effect.h"

Include dependency graph for C4Material.cpp:

Go to the source code of this file.

Classes
struct	ReactionFuncMapEntry

Functions
bool	mrfInsertCheck (int32_t &iX, int32_t &iY, C4Real &fXDir, C4Real &fYDir, int32_t &iPxsMat, int32_t iLsMat, bool *pfPosChanged, bool no_slide=false)
bool	mrfUserCheck (C4MaterialReaction *pReaction, int32_t &iX, int32_t &iY, int32_t iLSPosX, int32_t iLSPosY, C4Real &fXDir, C4Real &fYDir, int32_t &iPxsMat, int32_t iLsMat, MaterialInteractionEvent evEvent, bool *pfPosChanged)

Variables
int32_t	MVehic =MNone
int32_t	MHalfVehic =MNone
int32_t	MTunnel =MNone
int32_t	MWater =MNone
int32_t	MEarth =MNone
BYTE	MCVehic =0
BYTE	MCHalfVehic =0
const ReactionFuncMapEntry	ReactionFuncMap []
C4MaterialMap	MaterialMap

---

Class Documentation

ReactionFuncMapEntry

struct ReactionFuncMapEntry

Definition at line 42 of file C4Material.cpp.

Collaboration diagram for ReactionFuncMapEntry:

Class Members
C4MaterialReactionFunc	pFunc
const char *	szRFName

Function Documentation

mrfInsertCheck()

bool mrfInsertCheck	(	int32_t &	iX,
		int32_t &	iY,
		C4Real &	fXDir,
		C4Real &	fYDir,
		int32_t &	iPxsMat,
		int32_t	iLsMat,
		bool *	pfPosChanged,
		bool	no_slide = false
	)

Definition at line 667 of file C4Material.cpp.

{
    // always manipulating pos/speed here
    if (pfPosChanged) *pfPosChanged = true;
 
    // Move up by up to 3px to account for moving SolidMasks, other material insertions, etc.
    int32_t mdens = std::min(::MaterialMap.Map[iPxsMat].Density, C4M_Solid);
    int32_t max_upwards = 3;
    bool was_pushed_upwards = false;
    while (max_upwards-- && (::Landscape.GetDensity(iX, iY) >= mdens))
    {
        --iY;
        was_pushed_upwards = true;
    }
 
    // Rough contact? May splash
    if (fYDir > itofix(1))
        if (::MaterialMap.Map[iPxsMat].SplashRate && !Random(::MaterialMap.Map[iPxsMat].SplashRate))
        {
            fYDir = -fYDir/8;
            fXDir = fXDir/8 + C4REAL100(Random(200) - 100);
            if (fYDir) return false;
        }
 
    // Contact: Stop
    fYDir = -GravAccel;
 
    // Incendiary mats smoke on contact even before doing their slide
    if (::MaterialMap.Map[iPxsMat].Incendiary)
        if (!Random(25))
        {
            Smoke(iX, iY, 4 + Random(3));
        }
 
    // Move by mat path/slide
    int32_t iSlideX = iX, iSlideY = iY;
    
    if (!no_slide && ::Landscape.FindMatSlide(iSlideX,iSlideY,Sign(GravAccel),mdens,::MaterialMap.Map[iPxsMat].MaxSlide))
    {
        // Sliding on equal material: Move directly to optimize insertion of rain onto lakes
        // Also move directly when shifted upwards to ensure movement on permamently moving SolidMask
        if (iPxsMat == iLsMat || was_pushed_upwards)
        {
            iX = iSlideX;
            iY = iSlideY;
            fXDir = 0;
            if (was_pushed_upwards)
            {
                // When pushed upwards and slide was found into a target position, insert directly to allow additional PXS at same location to solidify in next position in same frame
                if (::Landscape.GetDensity(iX, iY + Sign(GravAccel)) >= mdens)
                {
                    return true;
                }
            }
            // Continue existing (and fall down next frame)
            return false;
        }
        // Otherwise, just move using xdir/ydir for nice visuals when rain is moving over landscape
        // Accelerate into the direction
        fXDir = (fXDir * 10 + Sign(iSlideX - iX)) / 11 + C4REAL10(Random(5)-2);
        // Slide target in range? Move there directly.
        if (Abs(iX - iSlideX) <= Abs(fixtoi(fXDir)))
        {
            iX = iSlideX;
            iY = iSlideY;
            if (fYDir <= 0) fXDir = 0;
        }
        // Continue existance
        return false;
    }
    // insertion OK
    return true;
}

References C4M_Solid, C4REAL100(), C4MaterialCore::Density, C4Landscape::GetDensity(), GravAccel, C4MaterialCore::Incendiary, itofix(), Landscape, C4MaterialMap::Map, MaterialMap, Random(), and C4MaterialCore::SplashRate.

Referenced by C4MaterialMap::mrfIncinerate(), C4MaterialMap::mrfInsert(), and mrfUserCheck().

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mrfUserCheck()

bool mrfUserCheck	(	C4MaterialReaction *	pReaction,
		int32_t &	iX,
		int32_t &	iY,
		int32_t	iLSPosX,
		int32_t	iLSPosY,
		C4Real &	fXDir,
		C4Real &	fYDir,
		int32_t &	iPxsMat,
		int32_t	iLsMat,
		MaterialInteractionEvent	evEvent,
		bool *	pfPosChanged
	)

Definition at line 741 of file C4Material.cpp.

{
    // check execution mask
    if ((1<<evEvent) & ~pReaction->iExecMask) return false;
    // do splash/slide check, if desired
    if (pReaction->fInsertionCheck && evEvent == meePXSMove)
        if (!mrfInsertCheck(iX, iY, fXDir, fYDir, iPxsMat, iLsMat, pfPosChanged))
            return false;
    // checks OK; reaction may be applied
    return true;
}

References C4MaterialReaction::fInsertionCheck, C4MaterialReaction::iExecMask, meePXSMove, and mrfInsertCheck().

Referenced by C4MaterialMap::mrfConvert(), C4MaterialMap::mrfCorrode(), C4MaterialMap::mrfInsert(), C4MaterialMap::mrfPoof(), and C4MaterialMap::mrfScript().

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Variable Documentation

MaterialMap

C4MaterialMap MaterialMap

Definition at line 974 of file C4Material.cpp.

Referenced by C4Landscape::_SetPix2(), C4EditCursor::ApplyToolPicker(), C4Landscape::P::BlastFreePix(), C4Landscape::P::BlastMaterial2Objects(), c4_material_map_handle_new(), C4Landscape::CheckInstability(), C4Game::Clear(), C4MassMover::Corrosion(), C4Landscape::P::CreateMapS2(), C4MaterialMap::CrossMapMaterials(), C4Game::Default(), C4Landscape::P::DigFreePix(), C4Landscape::P::DigFreePixNoInstability(), C4Landscape::P::DigMaterial2Objects(), C4Landscape::P::DoScan(), C4PXSSystem::Draw(), C4Landscape::DrawChunks(), C4Landscape::DrawMap(), C4Object::ExecLife(), C4MassMover::Execute(), C4PXS::Execute(), C4Landscape::P::ExecuteScan(), C4Landscape::FindMatTop(), C4Landscape::P::GetBridgeMatConversion(), C4TextureMap::GetIndexMatTex(), C4Landscape::Incinerate(), C4TexMapEntry::Init(), C4Game::InitMaterialTexture(), C4Landscape::InsertMaterial(), C4Game::LinkScriptEngine(), C4Landscape::P::MapToSurface(), Mat2PixColDefault(), MatDensity(), MatDigFree(), MatPlacement(), MatValid(), C4MaterialMap::mrfConvert(), C4MaterialMap::mrfCorrode(), mrfInsertCheck(), C4Game::ReLinkScriptEngine(), C4Landscape::RemoveUnusedTexMapEntries(), C4Landscape::SaveMap(), C4ToolsDlg::SetTexture(), C4Landscape::P::ShakeFreePix(), C4Landscape::P::UpdateMatCnt(), C4Landscape::UpdatePixMaps(), and C4EditCursor::UpdateStatusBar().

MCHalfVehic

BYTE MCHalfVehic =0

Definition at line 38 of file C4Material.cpp.

Referenced by C4MaterialMap::CrossMapMaterials(), IsMCHalfVehicle(), and C4SolidMask::SetHalfVehicle().

MCVehic

BYTE MCVehic =0

Definition at line 37 of file C4Material.cpp.

Referenced by C4SolidMask::C4SolidMask(), C4MaterialMap::CrossMapMaterials(), C4Landscape::GetPix(), C4Landscape::P::InitBorderPix(), IsMCVehicle(), C4SolidMask::Put(), C4SolidMask::Remove(), and C4SolidMask::SetHalfVehicle().

MEarth

int32_t MEarth =MNone

Definition at line 36 of file C4Material.cpp.

Referenced by C4MaterialMap::CrossMapMaterials(), and C4Game::PlaceInEarth().

MHalfVehic

int32_t MHalfVehic =MNone

Definition at line 36 of file C4Material.cpp.

Referenced by C4MaterialMap::CrossMapMaterials().

MTunnel

int32_t MTunnel =MNone

Definition at line 36 of file C4Material.cpp.

Referenced by C4MaterialMap::CrossMapMaterials(), C4TextureMap::DefaultBkgMatTex(), and C4MCOverlay::Evaluate().

MVehic

int32_t MVehic =MNone

Definition at line 36 of file C4Material.cpp.

Referenced by C4SolidMask::CheckConsistency(), C4MaterialMap::CrossMapMaterials(), C4Object::ExecLife(), MatVehicle(), and PathFreeIgnoreVehiclePix().

MWater

int32_t MWater =MNone

Definition at line 36 of file C4Material.cpp.

Referenced by C4MaterialMap::CrossMapMaterials(), and C4Object::ExecLife().

ReactionFuncMap

const ReactionFuncMapEntry ReactionFuncMap[]

Initial value:

=
{
    { "Script",  &C4MaterialMap::mrfScript },
    { "Convert", &C4MaterialMap::mrfConvert},
    { "Poof",    &C4MaterialMap::mrfPoof },
    { "Corrode", &C4MaterialMap::mrfCorrode },
    { "Insert",  &C4MaterialMap::mrfInsert },
    { nullptr, &C4MaterialReaction::NoReaction }
}

Definition at line 44 of file C4Material.cpp.

Referenced by C4MaterialReaction::CompileFunc().