Commit: 9dfb656ee21da72745acd2a5e79b3fe4ddcdb8d9 - HotshotOnline (hg)

Commit MetaInfo

• Revision: 9dfb656ee21da72745acd2a5e79b3fe4ddcdb8d9 (tree)
• Time: 2018-03-28 06:26:58
• Author: sebastian_bugiu <sebastian_ <bugiu@head...>
• Commiter: sebastian_bugiu <sebastian_

Log Message

Defining scripting language. Split language example into its own file.

Change Summary

• modified: HotshotDesignDocs/scripting_language.docx
• modified: core/src/headwayEnt/blackholedarksun/parser/grammar.cup
• modified: core/src/headwayEnt/blackholedarksun/parser/lexer.flex
• add: HotshotDesignDocs/scripting_language.txt

Incremental Difference

diff -r aa9b273875c0 -r 9dfb656ee21d HotshotDesignDocs/scripting_language.docx
Binary file HotshotDesignDocs/scripting_language.docx has changed

diff -r aa9b273875c0 -r 9dfb656ee21d HotshotDesignDocs/scripting_language.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HotshotDesignDocs/scripting_language.txt	Wed Mar 28 00:26:58 2018 +0300
@@ -0,0 +1,98 @@
+Cutscene cut_01
+{
+	Initial_conds
+	{
+		skybox SkyboxWorkspace0
+		light_dir -1.0 0.0 0.0
+		light_type directional
+		light_power_scale 1.0
+		light_diffuse_color 0.8 0.4 0.2 1.0
+		light_specular_color 0.8 0.4 0.2 1.0
+		ambient_light_upperhemi_lowerhemi_dir 0.0225 0.0375 0.052 0.075 0.02925 0.0219375 0.014625 0.04875 -1.0 0.0 0.0
+		obj CargoShip0
+		{
+			mesh ship_human_big0
+			type cargo_ship
+			position -500.0 0.0 -500.0
+			orientation 0.0 1.0 0.0 0.0
+			speed 0.0 0.0 0.0
+			ai 0
+			friendly 0
+			health 1000
+		}
+		
+		obj Defender0
+		{
+			mesh ship_human1
+			type fighter_ship
+			position -500.0 0.0 300.0
+			orientation 0.0 1.0 0.0 180.0
+			speed 0.0 0.0 -0.0
+			ai 0
+			friendly 1
+			behavior defensive
+			health 100
+		}
+	}
+Obj_event
+{
+	Obj Defender0
+	Set_speed 20.0 // instantaneous change
+}
+Camera_event
+{
+	Pos 0.0 0.0 50.0
+	Look_at Defender0
+	End_delay 1 secs
+
+}
+Camera_attach
+{
+	Start_delay 2 secs
+	Attach Defender0
+	Pos 50.0 0.0 0.0 // relative to obj
+	Look_at Defender0
+	End_delay 3000 ms
+}
+Obj_event
+{
+	Obj Defender0
+	Change_speed 20.0 // change ship speed with the maximum delta/second
+}
+Obj_event
+{
+	Obj Defender0
+	Change_speed 50.0
+	Completion_time 5 secs // The speed must be reached within 5 secs if the ship acceleration permits it
+}
+Parallel_task
+{
+	// We need a way to execute events in parallel and advance once all have been completed
+	Obj_event
+	{
+		Obj Defender0
+		Change_speed 20.0
+	}
+	Camera_detach
+	{
+		Start_delay 2 secs
+	}
+	Obj_event
+	{
+		obj Defender1
+		{
+			mesh ship_human1
+			type fighter_ship
+			position -500.0 0.0 300.0
+			orientation 0.0 1.0 0.0 180.0
+			speed 0.0 0.0 -0.0
+			ai 0
+			friendly 1
+			behavior defensive
+			health 100
+		}
+
+		spawn Defender1
+	}
+}
+}

diff -r aa9b273875c0 -r 9dfb656ee21d core/src/headwayEnt/blackholedarksun/parser/grammar.cup
--- a/core/src/headwayEnt/blackholedarksun/parser/grammar.cup	Tue Mar 27 00:04:23 2018 +0300
+++ b/core/src/headwayEnt/blackholedarksun/parser/grammar.cup	Wed Mar 28 00:26:58 2018 +0300
@@ -0,0 +1,55 @@
+import java_cup.runtime.*;
+
+/* Preliminaries to set up and use the scanner.  */
+init with {: scanner.init();              :};
+scan with {: return scanner.next_token(); :};
+
+/* Terminals (tokens returned by the scanner). */
+terminal           SEMI, PLUS, MINUS, TIMES, DIVIDE, MOD;
+terminal           UMINUS, LPAREN, RPAREN;
+terminal Integer   NUMBER;
+
+/* Non-terminals */
+non terminal            expr_list, expr_part;
+non terminal Integer    expr;
+
+/* Precedences */
+precedence left PLUS, MINUS;
+precedence left TIMES, DIVIDE, MOD;
+precedence left UMINUS;
+
+/* The grammar */
+expr_list ::= expr_list expr_part
+	      |
+              expr_part;
+
+expr_part ::= expr:e
+	      {: System.out.println("= " + e); :}
+              SEMI
+	      ;
+
+expr      ::= expr:e1 PLUS expr:e2
+	      {: RESULT = new Integer(e1.intValue() + e2.intValue()); :}
+	      |
+              expr:e1 MINUS expr:e2
+              {: RESULT = new Integer(e1.intValue() - e2.intValue()); :}
+	      |
+              expr:e1 TIMES expr:e2
+	      {: RESULT = new Integer(e1.intValue() * e2.intValue()); :}
+	      |
+              expr:e1 DIVIDE expr:e2
+	      {: RESULT = new Integer(e1.intValue() / e2.intValue()); :}
+	      |
+              expr:e1 MOD expr:e2
+	      {: RESULT = new Integer(e1.intValue() % e2.intValue()); :}
+	      |
+              NUMBER:n
+	      {: RESULT = n; :}
+	      |
+              MINUS expr:e
+	      {: RESULT = new Integer(0 - e.intValue()); :}
+	      %prec UMINUS
+	      |
+              LPAREN expr:e RPAREN
+	      {: RESULT = e; :}
+	      ;
\ No newline at end of file

diff -r aa9b273875c0 -r 9dfb656ee21d core/src/headwayEnt/blackholedarksun/parser/lexer.flex
--- a/core/src/headwayEnt/blackholedarksun/parser/lexer.flex	Tue Mar 27 00:04:23 2018 +0300
+++ b/core/src/headwayEnt/blackholedarksun/parser/lexer.flex	Wed Mar 28 00:26:58 2018 +0300
@@ -0,0 +1,86 @@
+import java_cup.runtime.*;
+
+    /**
+     * This class is a simple example lexer.
+     */
+    %%
+
+    %class Lexer
+    %unicode
+    %cup
+    %line
+    %column
+
+    %{
+      StringBuffer string = new StringBuffer();
+
+      private Symbol symbol(int type) {
+        return new Symbol(type, yyline, yycolumn);
+      }
+      private Symbol symbol(int type, Object value) {
+        return new Symbol(type, yyline, yycolumn, value);
+      }
+    %}
+
+    LineTerminator = \r|\n|\r\n
+    InputCharacter = [^\r\n]
+    WhiteSpace     = {LineTerminator} | [ \t\f]
+
+    /* comments */
+    Comment = {TraditionalComment} | {EndOfLineComment} | {DocumentationComment}
+
+    TraditionalComment   = "/*" [^*] ~"*/" | "/*" "*"+ "/"
+    // Comment can be the last line of the file, without line terminator.
+    EndOfLineComment     = "//" {InputCharacter}* {LineTerminator}?
+    DocumentationComment = "/**" {CommentContent} "*"+ "/"
+    CommentContent       = ( [^*] | \*+ [^/*] )*
+
+    Identifier = [:jletter:] [:jletterdigit:]*
+
+    DecIntegerLiteral = 0 | [1-9][0-9]*
+
+    %state STRING
+
+    %%
+
+    /* keywords */
+    <YYINITIAL> "abstract"           { return symbol(sym.ABSTRACT); }
+    <YYINITIAL> "boolean"            { return symbol(sym.BOOLEAN); }
+    <YYINITIAL> "break"              { return symbol(sym.BREAK); }
+
+    <YYINITIAL> {
+      /* identifiers */
+      {Identifier}                   { return symbol(sym.IDENTIFIER); }
+
+      /* literals */
+      {DecIntegerLiteral}            { return symbol(sym.INTEGER_LITERAL); }
+      \"                             { string.setLength(0); yybegin(STRING); }
+
+      /* operators */
+      "="                            { return symbol(sym.EQ); }
+      "=="                           { return symbol(sym.EQEQ); }
+      "+"                            { return symbol(sym.PLUS); }
+
+      /* comments */
+      {Comment}                      { /* ignore */ }
+
+      /* whitespace */
+      {WhiteSpace}                   { /* ignore */ }
+    }
+
+    <STRING> {
+      \"                             { yybegin(YYINITIAL);
+                                       return symbol(sym.STRING_LITERAL,
+                                       string.toString()); }
+      [^\n\r\"\\]+                   { string.append( yytext() ); }
+      \\t                            { string.append('\t'); }
+      \\n                            { string.append('\n'); }
+
+      \\r                            { string.append('\r'); }
+      \\\"                           { string.append('\"'); }
+      \\                             { string.append('\\'); }
+    }
+
+    /* error fallback */
+    [^]                              { throw new Error("Illegal character <"+
+                                                        yytext()+">"); }
\ No newline at end of file