forked from 0ad/0ad
197 lines
6.0 KiB
C++
197 lines
6.0 KiB
C++
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#include "stdafx.h"
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#include "api.h"
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#include "rmgen.h"
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#include "map.h"
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#include "random.h"
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using namespace std;
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// Function specs
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JSFunctionSpec globalFunctions[] = {
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// {name, native, args}
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{"init", init, 3},
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{"print", print, 1},
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{"error", error, 1},
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{"getTerrain", getTerrain, 2},
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{"setTerrain", setTerrain, 3},
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{"getHeight", getHeight, 2},
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{"setHeight", setHeight, 3},
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{"randInt", randInt, 1},
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{"randFloat", randFloat, 0},
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{0}
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};
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// JS API implementation
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JSBool print(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 1) {
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JS_ReportError(cx, "print: expected 1 argument but got %d", argc);
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}
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cout << JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
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return JS_TRUE;
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}
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JSBool error(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 1) {
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// wow, you made an error calling the error() function!
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JS_ReportError(cx, "error: expected 1 argument but got %d", argc);
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}
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JS_ReportError(cx, JS_GetStringBytes(JS_ValueToString(cx, argv[0])));
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return JS_TRUE;
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}
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JSBool init(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 3) {
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JS_ReportError(cx, "init: expected 3 arguments but got %d", argc);
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}
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if(!JSVAL_IS_INT(argv[0])) {
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JS_ReportError(cx, "init: first argument must be an integer");
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}
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if(!JSVAL_IS_STRING(argv[1])) {
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JS_ReportError(cx, "init: second argument must be a string");
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}
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if(!JSVAL_IS_NUMBER(argv[2])) {
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JS_ReportError(cx, "init: third argument must be a number");
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}
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if(theMap != 0) {
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JS_ReportError(cx, "init: cannot be called twice");
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}
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int size = JSVAL_TO_INT(argv[0]);
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char* baseTerrain = JS_GetStringBytes(JSVAL_TO_STRING(argv[1]));
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jsdouble baseHeight;
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JS_ValueToNumber(cx, argv[2], &baseHeight);
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theMap = new Map(size, baseTerrain, (float) baseHeight);
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return JS_TRUE;
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}
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JSBool getTerrain(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 2) {
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JS_ReportError(cx, "getTerrain: expected 2 arguments but got %d", argc);
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}
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if(theMap == 0) {
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JS_ReportError(cx, "getTerrain: cannot be called before init()");
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}
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if(!JSVAL_IS_INT(argv[0])) {
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JS_ReportError(cx, "getTerrain: first argument must be an integer");
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}
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if(!JSVAL_IS_INT(argv[1])) {
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JS_ReportError(cx, "getTerrain: second argument must be an integer");
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}
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int x = JSVAL_TO_INT(argv[0]);
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int y = JSVAL_TO_INT(argv[1]);
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string terrain = theMap->getTerrain(x, y);
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*rval = NewJSString(terrain);
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return JS_TRUE;
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}
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JSBool setTerrain(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 3) {
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JS_ReportError(cx, "setTerrain: expected 3 arguments but got %d", argc);
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}
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if(theMap == 0) {
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JS_ReportError(cx, "setTerrain: cannot be called before init()");
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}
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if(!JSVAL_IS_INT(argv[0])) {
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JS_ReportError(cx, "setTerrain: first argument must be an integer");
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}
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if(!JSVAL_IS_INT(argv[1])) {
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JS_ReportError(cx, "setTerrain: second argument must be an integer");
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}
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if(!JSVAL_IS_STRING(argv[2])) {
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JS_ReportError(cx, "setTerrain: third argument must be a string");
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}
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int x = JSVAL_TO_INT(argv[0]);
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int y = JSVAL_TO_INT(argv[1]);
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char* terrain = JS_GetStringBytes(JSVAL_TO_STRING(argv[2]));
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theMap->setTerrain(x, y, terrain);
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return JS_TRUE;
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}
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JSBool getHeight(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 2) {
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JS_ReportError(cx, "getHeight: expected 2 arguments but got %d", argc);
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}
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if(theMap == 0) {
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JS_ReportError(cx, "getHeight: cannot be called before init()");
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}
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if(!JSVAL_IS_INT(argv[0])) {
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JS_ReportError(cx, "getHeight: first argument must be an integer");
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}
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if(!JSVAL_IS_INT(argv[1])) {
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JS_ReportError(cx, "getHeight: second argument must be an integer");
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}
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int x = JSVAL_TO_INT(argv[0]);
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int y = JSVAL_TO_INT(argv[1]);
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jsdouble height = theMap->getHeight(x, y);
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JS_NewDoubleValue(cx, height, rval);
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return JS_TRUE;
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}
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JSBool setHeight(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 3) {
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JS_ReportError(cx, "setHeight: expected 3 arguments but got %d", argc);
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}
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if(theMap == 0) {
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JS_ReportError(cx, "setHeight: cannot be called before init()");
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}
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if(!JSVAL_IS_INT(argv[0])) {
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JS_ReportError(cx, "setHeight: first argument must be an integer");
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}
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if(!JSVAL_IS_INT(argv[1])) {
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JS_ReportError(cx, "setHeight: second argument must be an integer");
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}
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if(!JSVAL_IS_NUMBER(argv[2])) {
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JS_ReportError(cx, "setHeight: third argument must be a number");
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}
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int x = JSVAL_TO_INT(argv[0]);
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int y = JSVAL_TO_INT(argv[1]);
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jsdouble height;
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JS_ValueToNumber(cx, argv[2], &height);
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theMap->setHeight(x, y, (float) height);
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return JS_TRUE;
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}
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JSBool randInt(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 1) {
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JS_ReportError(cx, "randInt: expected 1 argument but got %d", argc);
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}
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if(!JSVAL_IS_INT(argv[0])) {
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JS_ReportError(cx, "randInt: first argument must be an integer");
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}
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int x = JSVAL_TO_INT(argv[0]);
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if(x<=0) {
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JS_ReportError(cx, "randInt: argument must be positive");
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}
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int r = RandInt(x);
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*rval = INT_TO_JSVAL(r);
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return JS_TRUE;
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}
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JSBool randFloat(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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if(argc != 0) {
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JS_ReportError(cx, "randFloat: expected 0 arguments but got %d", argc);
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}
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jsdouble r = RandFloat();
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JS_NewDoubleValue(cx, r, rval);
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return JS_TRUE;
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}
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