C4MapScriptAlgoRect Class Reference

#include <C4MapScript.h>

Inheritance diagram for C4MapScriptAlgoRect:
Collaboration diagram for C4MapScriptAlgoRect:

Public Member Functions

 C4MapScriptAlgoRect (const C4PropList *props)
bool operator() (int32_t x, int32_t y, uint8_t &fg, uint8_t &bg) const override

Protected Member Functions

bool GetXYProps (const C4PropList *props, C4PropertyName k, int32_t *out_xy, bool zero_defaults)

Detailed Description

Definition at line 114 of file C4MapScript.h.

Constructor & Destructor Documentation

◆ C4MapScriptAlgoRect()

C4MapScriptAlgoRect::C4MapScriptAlgoRect ( const C4PropList props)

Definition at line 107 of file C4MapScriptAlgo.cpp.

References C4PropList::GetPropertyInt(), P_Hgt, P_Wdt, P_X, and P_Y.

108 {
109  // Get MAPALGO_Rect properties
110  rect = C4Rect(props->GetPropertyInt(P_X), props->GetPropertyInt(P_Y), props->GetPropertyInt(P_Wdt), props->GetPropertyInt(P_Hgt));
111 }
int32_t GetPropertyInt(C4PropertyName k, int32_t default_val=0) const
Definition: C4PropList.cpp:886
Definition: C4Rect.h:27
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Member Function Documentation

◆ GetXYProps()

bool C4MapScriptAlgo::GetXYProps ( const C4PropList props,
C4PropertyName  k,
int32_t *  out_xy,
bool  zero_defaults 

Definition at line 26 of file C4MapScriptAlgo.cpp.

References FormatString(), C4Value::getArray(), C4String::GetCStr(), C4Value::getInt(), C4ValueArray::GetItem(), C4PropList::GetProperty(), C4ValueArray::GetSize(), C4PropList::HasProperty(), C4StringTable::P, and Strings.

Referenced by C4MapScriptAlgoBorder::C4MapScriptAlgoBorder(), and C4MapScriptAlgoTurbulence::C4MapScriptAlgoTurbulence().

27 {
28  // Evaluate property named "k" in proplist props to store two numbers in out_xy:
29  // If props->k is a single integer, fill both numbers in out_xy with it
30  // If props->k is an array, check that it contains two numbers and store them in out_xy
31  if (!props->HasProperty(&Strings.P[k]))
32  {
33  if (zero_defaults) out_xy[0] = out_xy[1] = 0;
34  return false;
35  }
36  C4Value val; C4ValueArray *arr;
37  props->GetProperty(k, &val);
38  if ((arr = val.getArray()))
39  {
40  if (arr->GetSize() != 2)
41  throw C4AulExecError(FormatString(R"(C4MapScriptAlgo: Expected either integer or array with two integer elements in property "%s".)", Strings.P[k].GetCStr()).getData());
42  out_xy[0] = arr->GetItem(0).getInt();
43  out_xy[1] = arr->GetItem(1).getInt();
44  }
45  else
46  {
47  out_xy[0] = out_xy[1] = val.getInt();
48  }
49  return true;
50 }
C4String P[P_LAST]
int32_t getInt() const
Definition: C4Value.h:112
bool GetProperty(C4PropertyName k, C4Value *pResult) const
Definition: C4PropList.h:101
C4ValueArray * getArray() const
Definition: C4Value.h:118
const char * GetCStr() const
Definition: C4StringTable.h:49
C4StringTable Strings
Definition: C4Globals.cpp:42
const C4Value & GetItem(int32_t iElem) const
Definition: C4ValueArray.h:38
int32_t GetSize() const
Definition: C4ValueArray.h:36
bool HasProperty(C4String *k) const
Definition: C4PropList.h:118
StdStrBuf FormatString(const char *szFmt,...)
Definition: StdBuf.cpp:270
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◆ operator()()

bool C4MapScriptAlgoRect::operator() ( int32_t  x,
int32_t  y,
uint8_t &  fg,
uint8_t &  bg 
) const

Implements C4MapScriptAlgo.

Definition at line 113 of file C4MapScriptAlgo.cpp.

114 {
115  // Evaluate MAPALGO_Rect at x,y: Return 1 for pixels contained in rect, 0 otherwise
116  return rect.Contains(x, y);
117 }
bool Contains(int32_t iX, int32_t iY) const
Definition: C4Rect.h:40

The documentation for this class was generated from the following files: