C4MapScriptAlgo.cpp File Reference

#include "C4Include.h"
#include "landscape/C4MapScript.h"
#include "lib/C4Random.h"

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Functions
C4MapScriptAlgo *	FnParAlgo (C4PropList *algo_par)
int32_t	QuerySeededRandomField (int32_t seed, int32_t x, int32_t y, int32_t scale)

Function Documentation

FnParAlgo()

C4MapScriptAlgo* FnParAlgo

(

C4PropList *

algo_par

)

Definition at line 541 of file C4MapScriptAlgo.cpp.

{
    // Convert script function parameter to internal C4MapScriptAlgo class. Also resolve all parameters and nested child algos.
    if (!algo_par) return nullptr;
 
    C4MapScriptAlgo *inner = FnParAlgoInner(algo_par);
 
    // if the Material property is set, use that material:
    C4String *material = algo_par->GetPropertyStr(P_Material);
    if (material) { // set inner material by wrapping with SetMaterial algo.
        uint8_t fg = 0, bg = 0;
        if (!FnParTexCol(material, fg, bg))
            throw C4AulExecError("Invalid Material in map script algorithm.");
        return new C4MapScriptAlgoSetMaterial(inner, fg, bg);
    }
 
    return inner; // otherwise, just return the original algo
}

Referenced by C4MapScriptAlgoModifier::C4MapScriptAlgoModifier().

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QuerySeededRandomField()

int32_t QuerySeededRandomField	(	int32_t	seed,
		int32_t	x,
		int32_t	y,
		int32_t	scale
	)

Definition at line 94 of file C4MapScriptAlgo.cpp.

{
    return modD((((seed ^ (x*214013))*214013) ^ (y*214013)), scale);
}